# Hotel PMS API: A Developer&#8217;s Complete Pre-Build Guide

> Explore hotel PMS API auth, webhooks, sandboxes & integration costs. Build smarter with Stayntouch Connect APIs — start integrating today.

**Published:** 2026-09-07 | **Updated:** 2026-10-31 | **Author:** renatoloureiro
**URL:** https://www.stayntouch.com/articles/mobile-pms-api-documentation
**Type:** post

**Categories:** Uncategorized

![Hotel PMS API: A Developer&#8217;s Complete Pre-Build Guide](https://stayntouch.sites.aigrowthagent.co/wp-content/uploads/sites/92/2026/09/1788427903360-1a184abe2498-1024x572.webp)

---

## Content

*Written by: Kelly Campbell, Vice President of Marketing, Stayntouch | Last updated: September 28, 2026*

## Key Takeaways

- Mobile PMS API documentation defines endpoints, authentication, and webhooks that determine whether mobile check-in, digital keys, and similar integrations are feasible before any code is written.
- Production-grade APIs expose six functional categories, with each one mapping to a specific hotel workflow: reservations, check-in and checkout, room status, guest profiles, folios and billing, and payments.
- OAuth 2.0 with scoped, revocable access is the security standard and limits each integration’s permissions so a breach in one system cannot expose the entire hotel database.
- Webhook-driven architectures deliver real-time event notifications, reduce latency compared with polling, and enable instant updates for door locks, messaging, and upsells.
- Stayntouch provides open documentation, sandbox environments, webhook testing tools, free API certification, and a broad integration ecosystem at no additional connectivity cost.

[Explore how Stayntouch can streamline your hotel operations](https://www.stayntouch.com/contact-us?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)

## Core Endpoints In A Mobile PMS API

A production-grade mobile PMS API organizes its surface into six functional categories. Each category maps to a distinct operational workflow inside the hotel.

![A hotel manager reviews a tablet in a guest room while a housekeeper makes the bed behind him.](https://cdn.aigrowthmarketer.co/1784831993597-11769de63cbe.webp)**A cloud-native, mobile PMS lets staff work from a tablet anywhere on property rather than behind a desk — checking occupancy and housekeeping status while walking the floor, not from a workstation.**

- **Reservations**, which create, modify, and cancel bookings and retrieve reservation state and associated guest data.
- **Check-in and Checkout**, which initiate and complete guest arrival, trigger checkout, and close the folio. Checkout here refers to the post-stay hotel departure process, not the e-commerce booking flow.
- **Room Status and Housekeeping**, which read and update room condition, such as clean, dirty, inspected, out of order, and out of service, and assign housekeeping tasks.
- **Guest Profiles**, which create, retrieve, and merge guest records and manage identity documents and preferences.
- **Folios and Billing**, which post charges from point-of-sale (POS), spa, and retail outlets to the guest folio, retrieve folio state, and close bills. Night audit, the end-of-day process that closes transactions and rolls the system into the next business day, is also exposed as an API event on modern platforms.
- **Payments**, which authorize, capture, and refund card transactions and manage preauthorizations and payment plans.

[Stayntouch Connect APIs expose endpoints and webhooks across categories including reservations, check-in, check-out, room move, room status, and guests](https://stayntouch.atlassian.net/wiki/spaces/WH/pages/4972609560/Stayntouch+Connect+API+Integrations+Best+Practices), as documented in Stayntouch’s Connect API Integrations Best Practices. The endpoint taxonomy is broadly consistent across modern platforms, while the meaningful differences lie in architecture, access model, and commercial terms.

![With Stayntouch, reservations are created, modified, and searched from one screen, with flexible day-use and hourly rate structures alongside conventional nightly rates.](https://cdn.aigrowthmarketer.co/1785259826478-ab1c30506dc4.png)**With Stayntouch, reservations are created, modified, and searched from one screen, with flexible day-use and hourly rate structures alongside conventional nightly rates.**

[Talk with our team about your next PMS integration](https://www.stayntouch.com/contact-us?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)

## How PMS API Authentication Protects Hotel Data

[OAuth 2.0 is the most common authorization standard for modern hotel PMS APIs](https://fss.cc/pms-integration-smart-hotels-opera-mews-apaleo), though some platforms also use API keys, HMAC request signing, or long-lived onboarding tokens. OAuth 2.0 gives an application limited, revocable access to hotel data without sharing a master password, acting like a digital valet key that works for one application and can be cancelled instantly without changing the underlying credentials.

In practice, [OAuth 2.0 defines several grant types](https://toolmingo.com/blog/oauth-2-explained) for different integration scenarios. Server-to-server integrations, such as a door lock system calling the PMS, use the Client Credentials flow, where the application authenticates directly with a client ID and secret and receives a short-lived access token, typically valid for one hour. [Integrations that require a hotel property to grant consent use the Authorization Code flow with PKCE](https://fss.cc/pms-integration-smart-hotels-opera-mews-apaleo), where the property authorizes access and the application receives both an access token and a refresh token for silent renewal.

Scoped access is the governing security principle. Each OAuth token is issued with a defined set of permissions, or scopes, that restrict what the application can read or write. A door lock application can see a room number and checkout date but is blocked from payment details or home addresses. A revenue management system receives rate and availability data but has no path to guest identity documents. [This limits the blast radius of a compromised credential](https://fss.cc/pms-integration-smart-hotels-opera-mews-apaleo) to the scopes that credential was issued.

[Stayntouch Connect APIs authenticate with OAuth 2.0, with integration access scoped per application](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent). Each connected system sees only the data it needs to perform its function.

## Webhook Architecture vs. Polling In Hotel PMS APIs

Webhook design is the single most consequential architectural decision a developer evaluates in a mobile PMS API. It directly affects latency, reliability, and rate-limit exposure.

A webhook is a connection that pushes information the moment something happens. In a polling architecture, the client application calls the PMS API on a fixed schedule, such as every 30 seconds or every 5 minutes, and compares each response to the previous one to detect changes. [Polling generates wasted requests and introduces latency between when a change occurs and when it is detected.](https://hookdeck.com/webhooks/faq/webhook-vs-api-polling) In a webhook architecture, the PMS pushes a notification to a registered endpoint the moment a qualifying event fires.

The operational consequence for mobile check-in is direct. [Polling every 60 seconds means data can be up to 60 seconds stale.](https://blog.apilayer.com/webhook-vs-polling-when-each-makes-sense) When a guest checks in on their phone, the door lock system and guest messaging platform need to know immediately. A webhook-driven architecture delivers that signal in seconds. A polling-only architecture introduces a window during which the door lock has not yet received the room assignment, the messaging platform has not yet sent the welcome message, and an upsell offer has already missed its moment of highest intent.

![A business traveler sits on a hotel bed checking his phone, a suitcase beside him.](https://cdn.aigrowthmarketer.co/1784832014957-77a84ade2f31.webp)**Some guests want a warm welcome; others want to walk straight to their room. Mobile check-in lets a guest confirm their stay from a phone in about 30 seconds — from a taxi, a lounge chair, or the room itself.**

[Stayntouch Connect APIs are webhook-enhanced and event-driven](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent). Available webhook event objects cover Account, EndOfDay, Group, Guest, Inventory, Reservation, ReservationRevenue, RoomStatus, and RoomStatusService. Granular reservation events include creation, editing, cancellation, pre-check-in, check-in availability, check-in success and failure, checkout, room assignment, and room moves. This taxonomy lets a connected system subscribe to exactly the events it needs, such as Guest and Reservation events for a CRM, check-in success and room assignment for a door lock, and RoomStatus and RoomStatusService for a housekeeping platform.

[Production engineering teams recommend a hybrid pattern that combines webhooks for real-time events with a reconciliation job running every 5 to 15 minutes](https://fss.cc/pms-integration-smart-hotels-opera-mews-apaleo). That job pulls authoritative state for any room flagged as active, because every PMS integration will drop events at least once due to network failures or endpoint downtime. [Stayntouch provides webhook testing tools alongside sandbox environments](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent) to support this kind of resilience testing before go-live. Once the architectural approach is settled, the next step is testing it safely in a realistic environment.

## Sandbox Environments, Documentation Depth, And Certification

A sandbox environment is a safe, isolated test environment that mirrors production behavior without affecting live hotel data. For a developer scoping a two-week integration project, sandbox access separates testing against real API behavior from building against documentation alone, which is where most integration surprises originate.

[Stayntouch Connect APIs provide detailed documentation, sandbox environments for safe testing before going live, and webhook testing tools](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent). [API certification is free](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent). Developers should prioritize documented endpoints and sandbox access and treat the sandbox as the primary build path, rather than relying on a public GitHub repository or downloadable SDK.

[Stayntouch schedules API certification consultations within a week](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent) and charges nothing for the certification itself. The commercial model treats connectivity as included infrastructure rather than a separate revenue line.

[Request sandbox access and start building](https://www.stayntouch.com/contact-us?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)

## How Major PMS Platforms Differ On API Style And Access

The meaningful distinction across major hotel PMS API surfaces lies in the access model and architectural style, since reservations, folios, housekeeping, and payments appear on every modern platform.

[Stayntouch’s full API reference is public without login](https://icecreek.com/pms-tier-map). [Stayntouch requires all vendors to sign an NDA before sandbox access is granted, while some other PMS platforms offer self-serve sandbox access without one](https://icecreek.com/pms-tier-map), and API certification is free with no per-connection charges.

| Platform Type | API Documentation | Sandbox Access | Production Access | Typical Fees |
| --- | --- | --- | --- | --- |
| Open, Developer-Friendly PMS | Public reference | Available on clear terms | Issued after light review | Little or no per-interface fee |
| Partner-Gated PMS | Often public | Controlled via partner team | Requires application and approvals | Frequent per-interface or per-call fees |
| Legacy Enterprise PMS | Partial or restricted | Limited or paid | Long partner program | High one-time and recurring fees |

The distinction between a documented open API and a partner-gated integration surface matters most to a developer evaluating feasibility. A documented open API means the specification is public, sandbox access is available on reasonable terms, and production credentials can be obtained without a multi-month partner program. A partner-gated surface means the documentation may be public but production access requires an application, an NDA, a mutual customer relationship, or a certification fee, which can extend a two-week scoping exercise into a multi-month procurement process.

## The Commercial Questions That Decide Feasibility

API openness and integration cost act as engineering constraints that shape what a team can realistically build. A developer who delivers a clean integration against a platform that charges per interface has handed the hotel a recurring cost that grows with every tool added to the stack.

[Legacy enterprise PMS integrations can cost as much as $10,000 per interface](https://icecreek.com/pms-tier-map), turning every technology decision into a budget negotiation. Both sides of a hotel PMS integration may charge separately for the same connection, since the PMS vendor bills for API access and the connected vendor bills for maintaining the connector. Per-interface fees quietly discourage improving the stack because every new tool requires a budget conversation before a developer can write a line of code.

Stayntouch offers unlimited connections at no additional connectivity cost, and API certification is free. Users pay each third-party platform its own platform fee, while Stayntouch does not charge for the integration itself. Because there is no vendor lock-in, the hotel chooses its RMS, POS, customer relationship management (CRM) platform, and payment processor. For a developer, this makes the build calculus straightforward and turns adding a specialist upsell tool, a new door lock system, or a revenue management integration into an operational decision rather than a capital one.

## Questions To Ask A PMS Vendor Before You Start Building

These questions are phrased for direct use in a vendor evaluation and cover the architectural and commercial dimensions that determine whether a build is feasible within a two-week scoping window.

- Is the API documented and open, or partner-gated?
- Is authentication OAuth 2.0 with scoped, revocable access?
- Are webhooks available, and which event objects are exposed?
- Is there a sandbox environment and webhook testing tools?
- Is API certification free, and how long does it take?
- Are integrations charged per interface?
- Can we keep our existing RMS, POS, CRM, and payment processor?

## Why Stayntouch Connect APIs Support Faster Builds

[Stayntouch Connect APIs are open, webhook-enhanced, and event-driven](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent). The design principle is direct: “Ditch the Haystack. Keep the Needle.” Connected systems subscribe to the events they need and receive data the moment something happens, instead of polling for state changes on a schedule.

The technical surface includes detailed endpoint documentation, sandbox environments, webhook testing tools, and [free API certification with consultations scheduled within a week](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent). Webhook event objects cover Account, EndOfDay, Group, Guest, Inventory, Reservation, ReservationRevenue, RoomStatus, and RoomStatusService, including granular reservation events for creation, editing, cancellation, pre-check-in, check-in availability, check-in success and failure, checkout, room assignment, and room moves. Authentication uses OAuth 2.0 with scoped access so a door lock application can see a room number and checkout date but remains blocked from payment details or home addresses.

The platform is cloud-native on AWS with 100% system uptime as a sustained performance record and an average system response time of 256ms. There are no per-interface fees and no charges for API certification. The integration ecosystem connects hotels to the RMS, CRM, POS, and central reservation system (CRS) platforms of their choice. Stayntouch deliberately does not build RMS, CRM, food-and-beverage POS, or CRS and instead integrates with specialists in those categories.

Stayntouch builds the PMS and its guest-facing surround, including Stayntouch Pay, Stayntouch Booking, Channel Manager, Stayntouch Kiosk, Grab & Go Kiosk, Guest Messaging, Digital Registration Cards, and ID Scanning. Everything on that list sits on the guest-and-booking path through the PMS and is tightly coupled to it. The Rate Strategy module automates rule-based rate movement on configurable parameters and complements, rather than replaces, a full revenue management system.

## Conclusion: A Practical Pre-Build Checklist

Before committing to a mobile PMS integration build, a developer needs answers to seven questions. Whether the API is documented and open or partner-gated determines how long scoping takes. Whether authentication is OAuth 2.0 with scoped access determines the security architecture.

Whether webhooks are available, and which event objects are exposed, determines whether the integration can deliver real-time mobile check-in, instant door lock notification, and timely upsell delivery. If webhooks are absent, the integration is constrained to polling intervals. Whether a sandbox and webhook testing tools exist determines how much of the build can be validated before touching production. Whether certification is free determines the commercial feasibility.

Whether integrations carry per-interface fees determines the total cost of the stack over time. Whether the hotel can keep its existing RMS, POS, CRM, and payment processor determines whether the PMS acts as a flexible foundation or a walled garden.

[Stayntouch Connect APIs offer developer-favorable features](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent), including open documentation, OAuth with scoped access, webhooks across nine event object families, sandbox environments and webhook testing tools, free certification, and a flexible integration model with no vendor lock-in on adjacent systems.

To explore the Connect APIs documentation, request sandbox access, or book a demo, contact the Stayntouch team directly.

[Book a demo to see how a best-in-class PMS makes every stay more profitable](https://www.stayntouch.com/contact-us?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)

## Frequently Asked Questions

### What Is The Difference Between A Hotel PMS Open API And A Partner-Gated API?

An open API means the specification is publicly documented and sandbox access is available on reasonable terms, so a developer can read the endpoint reference, obtain test credentials, and begin building without completing a multi-month partner program. A partner-gated API means the documentation may be publicly readable, but production credentials require a formal application, an NDA, a mutual customer relationship, a certification fee, or some combination of these. The practical effect is that a gated API extends a two-week scoping exercise into a procurement process measured in months. When evaluating a vendor’s API openness claim, a reliable test is whether sandbox access can be obtained without a sales conversation and whether production credentials carry per-call or per-interface charges. A large, public integration marketplace with dozens of certified partners is implicit evidence that the API is genuinely usable because other companies have built on it and the connections work.

### Why Does Webhook Architecture Matter More Than REST Endpoint Count For Mobile Check-In?

Endpoint count measures the breadth of a PMS API’s data surface, while webhook architecture determines the latency between a state change in the PMS and the moment every connected system knows about it. For mobile check-in, the relevant state changes are check-in success, room assignment, and checkout, which need to reach the door lock system, the guest messaging platform, and the upsell engine within seconds. A REST-only polling architecture introduces a window, bounded by the polling frequency, during which the door lock has not yet received the room assignment and the messaging platform has not yet sent the welcome message. A webhook-driven architecture closes that window to seconds.

The architectural choice also affects rate limit exposure. Polling generates many requests between events, most of which return unchanged data and all of which count against the API’s rate limit. [Webhooks issue one request per event and rarely approach rate limits.](https://hookdeck.com/webhooks/faq/webhook-vs-api-polling) For a mobile check-in integration where latency and reliability are the primary engineering constraints, webhook architecture is the correct default.

### What Should A Developer Verify About PMS API Sandbox Environments Before Starting A Build?

Four factors matter. First, whether the sandbox is a real environment with production-equivalent behavior or a stub that returns canned responses, since a stub will not surface the edge cases that cause production failures. Second, whether sandbox access is free or metered, because some platforms bill API calls even in the test environment, which affects how thoroughly a developer can test before go-live.

Third, whether webhook testing tools are available in the sandbox, since testing event-driven integrations requires the ability to trigger events and inspect the payloads delivered to a registered endpoint, and a sandbox without webhook tooling forces developers to test webhooks in production. Fourth, whether the sandbox can be reset, because a resettable sandbox with seed data allows repeatable test runs for the full reservation lifecycle, from creation through check-in, room assignment, and checkout, without accumulating test state that obscures results. [Stayntouch provides sandbox environments and webhook testing tools as part of the Connect APIs developer resources, with API certification free and consultations scheduled within a week.](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)

### How Do Per-Interface Integration Fees Affect The Total Cost Of A Hotel Tech Stack?

Per-interface fees create a compounding cost structure that grows with every tool added to the stack. A hotel running a revenue management system, a CRM, a door lock system, a POS integration, a guest messaging platform, and an upsell tool may pay six separate integration fees, since PMS vendors sometimes charge a per-integration fee to connect third-party tools such as a POS system or door lock system, though platforms with broad native integration marketplaces may not carry separate add-on charges. Both the PMS vendor and the connected vendor may charge separately for the same connection, producing two line items for one integration. The commercial consequence is that per-interface fees quietly discourage improving the stack because the hotel’s technology decisions become budget negotiations rather than operational choices. Stayntouch charges nothing for integrations, so users pay each third-party platform its own platform fee while Stayntouch charges nothing for the integration itself. API certification is also free, which means adding a specialist tool to the stack remains an engineering decision.

### What Is Scoped OAuth Access And Why Does It Matter For Hotel PMS Security?

Scoped OAuth access means each application credential is issued with a defined set of permissions, or scopes, that restrict what the application can read or write in the PMS. A door lock application receives a scope that allows it to read room numbers and checkout dates but blocks access to payment card data, home addresses, and guest identity documents. A revenue management system receives rate and availability data but has no path to folio details or guest profiles beyond what it needs for pricing decisions.

The security consequence is containment because, if a connected application is compromised, the attacker’s access is limited to the scopes that credential was issued. A breach in one small application cannot expose the hotel’s full database. Scoped access also supports auditability, since each integration’s data access is defined at the credential level, making it straightforward to review what each connected system can see and to revoke access instantly if a credential is compromised or a vendor relationship ends. [OAuth tokens can be revoked without changing the underlying PMS credentials](https://www.stayntouch.com/developers/?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent), which means removing a vendor from the stack does not require a system-wide credential rotation.

## Read Next

- [What Is a Hotel PMS Open API? A 2026 Comparison Guide](https://www.stayntouch.com/articles/hotel-pms-open-api-2026?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)
- [Hotel PMS Integration: A 2026 Decision-Maker’s Guide](https://www.stayntouch.com/articles/hotel-pms-integration-guide?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)
- [Hotel Payment API: How Booking, Gateway & PMS Connect](https://www.stayntouch.com/articles/hotel-payment-api-integrations?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)
- [Hotel PMS Features: A 2026 Operator’s Evaluation Framework](https://www.stayntouch.com/articles/hotel-pms-features-2026?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)
- [Top Mobile PMS Features That Drive Hotel Operations](https://www.stayntouch.com/articles/mobile-pms-software-features?utm_term=mobile-pms-api-documentation&utm_campaign=ai_growth_agent)

---

## Structured Data

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    - **Name:** What Is The Difference Between A Hotel PMS Open API And A Partner-Gated API?
      **Answer:**

      - **Text:** An open API means the specification is publicly documented and sandbox access is available on reasonable terms, so a developer can read the endpoint reference, obtain test credentials, and begin building without completing a multi-month partner program. A partner-gated API means the documentation may be publicly readable, but production credentials require a formal application, an NDA, a mutual customer relationship, a certification fee, or some combination of these. The practical effect is that a gated API extends a two-week scoping exercise into a procurement process measured in months. When evaluating a vendors API openness claim, a reliable test is whether sandbox access can be obtained without a sales conversation and whether production credentials carry per-call or per-interface charges. A large, public integration marketplace with dozens of certified partners is implicit evidence that the API is genuinely usable because other companies have built on it and the connections work.
    **Question:**

    - **Name:** Why Does Webhook Architecture Matter More Than REST Endpoint Count For Mobile Check-In?
      **Answer:**

      - **Text:** Endpoint count measures the breadth of a PMS APIs data surface, while webhook architecture determines the latency between a state change in the PMS and the moment every connected system knows about it. For mobile check-in, the relevant state changes are check-in success, room assignment, and checkout, which need to reach the door lock system, the guest messaging platform, and the upsell engine within seconds. A REST-only polling architecture introduces a window, bounded by the polling frequency, during which the door lock has not yet received the room assignment and the messaging platform has not yet sent the welcome message. A webhook-driven architecture closes that window to seconds. The architectural choice also affects rate limit exposure. Polling generates many requests between events, most of which return unchanged data and all of which count against the APIs rate limit. Webhooks issue one request per event and rarely approach rate limits. For a mobile check-in integration where latency and reliability are the primary engineering constraints, webhook architecture is the correct default.
    **Question:**

    - **Name:** What Should A Developer Verify About PMS API Sandbox Environments Before Starting A Build?
      **Answer:**

      - **Text:** Four factors matter. First, whether the sandbox is a real environment with production-equivalent behavior or a stub that returns canned responses, since a stub will not surface the edge cases that cause production failures. Second, whether sandbox access is free or metered, because some platforms bill API calls even in the test environment, which affects how thoroughly a developer can test before go-live. Third, whether webhook testing tools are available in the sandbox, since testing event-driven integrations requires the ability to trigger events and inspect the payloads delivered to a registered endpoint, and a sandbox without webhook tooling forces developers to test webhooks in production. Fourth, whether the sandbox can be reset, because a resettable sandbox with seed data allows repeatable test runs for the full reservation lifecycle, from creation through check-in, room assignment, and checkout, without accumulating test state that obscures results. Stayntouch provides sandbox environments and webhook testing tools as part of the Connect APIs developer resources, with API certification free and consultations scheduled within a week.
    **Question:**

    - **Name:** How Do Per-Interface Integration Fees Affect The Total Cost Of A Hotel Tech Stack?
      **Answer:**

      - **Text:** Per-interface fees create a compounding cost structure that grows with every tool added to the stack. A hotel running a revenue management system, a CRM, a door lock system, a POS integration, a guest messaging platform, and an upsell tool may pay six separate integration fees, since PMS vendors sometimes charge a per-integration fee to connect third-party tools such as a POS system or door lock system, though platforms with broad native integration marketplaces may not carry separate add-on charges. Both the PMS vendor and the connected vendor may charge separately for the same connection, producing two line items for one integration. The commercial consequence is that per-interface fees quietly discourage improving the stack because the hotels technology decisions become budget negotiations rather than operational choices. Stayntouch charges nothing for integrations, so users pay each third-party platform its own platform fee while Stayntouch charges nothing for the integration itself. API certification is also free, which means adding a specialist tool to the stack remains an engineering decision.
    **Question:**

    - **Name:** What Is Scoped OAuth Access And Why Does It Matter For Hotel PMS Security?
      **Answer:**

      - **Text:** Scoped OAuth access means each application credential is issued with a defined set of permissions, or scopes, that restrict what the application can read or write in the PMS. A door lock application receives a scope that allows it to read room numbers and checkout dates but blocks access to payment card data, home addresses, and guest identity documents. A revenue management system receives rate and availability data but has no path to folio details or guest profiles beyond what it needs for pricing decisions. The security consequence is containment because, if a connected application is compromised, the attackers access is limited to the scopes that credential was issued. A breach in one small application cannot expose the hotels full database. Scoped access also supports auditability, since each integrations data access is defined at the credential level, making it straightforward to review what each connected system can see and to revoke access instantly if a credential is compromised or a vendor relationship ends. OAuth tokens can be revoked without changing the underlying PMS credentials, which means removing a vendor from the stack does not require a system-wide credential rotation.

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  - **Headline:** Hotel PMS API: A Developer's Complete Pre-Build Guide
  - **Description:** Explore hotel PMS API auth, webhooks, sandboxes & integration costs. Build smarter with Stayntouch Connect APIs — start integrating today.
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    - **Name:** Kelly Campbell
    - **JobTitle:** Vice President of Marketing
    - **Description:** Marketing Leader | Growth, Go-To-Market & Brand Strategy | Scaled B2B & Consumer Brands Across Travel and Hospitality Tech
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      - **Url:** https://www.stayntouch.com/
    **Organization:**

    - **Name:** Stayntouch
    - **Url:** https://stayntouch.com


---

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- **MCP Server (Model Context Protocol):** [https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/](https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/) — Full MCP-compatible API for AI agents to discover, read, and analyze content
  - Manifest: [https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/manifest](https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/manifest)
  - Schema: [https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/schema](https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/schema)
  - Discovery: [https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/discover](https://www.stayntouch.com/articles/wp-json/ai-growth-seo/v1/mcp/discover)
  - Well-Known: [https://www.stayntouch.com/articles/.well-known/mcp](https://www.stayntouch.com/articles/.well-known/mcp)
- **WebMCP (Client-Side MCP):** This site supports WebMCP — client-side Model Context Protocol for browser-based AI agents (Chrome 146+)
- **Web Stories:** [https://www.stayntouch.com/articles/web-stories-sitemap.xml](https://www.stayntouch.com/articles/web-stories-sitemap.xml) — AMP Web Stories for rich visual content experiences

## Discovery Endpoints for AI Agents

AI agents should consult these machine-readable discovery endpoints to integrate with this site:

- **OpenAI Plugin Manifest:** [https://www.stayntouch.com/articles/.well-known/ai-plugin.json](https://www.stayntouch.com/articles/.well-known/ai-plugin.json)
- **A2A Agent Card:** [https://www.stayntouch.com/articles/.well-known/agent-card.json](https://www.stayntouch.com/articles/.well-known/agent-card.json)
- **MCP Server (Streamable HTTP):** [https://www.stayntouch.com/articles/.well-known/mcp](https://www.stayntouch.com/articles/.well-known/mcp)

## Citations

- [Hotel Front Desk Productivity: A Diagnostic-First Playbook](https://www.stayntouch.com/articles/improve-hotel-front-desk-productivity)
- [Hotel Chargeback Prevention: A Guide for GMs and IT Leads](https://www.stayntouch.com/articles/hotel-chargeback-prevention-software-guide)
- [Hotel Distribution Software: Cut OTA Costs &amp; Earn More](https://www.stayntouch.com/articles/hotel-software-reduce-distribution-costs)
- [The Best PMS for Hotel Chains: A Multi-Property Guide](https://www.stayntouch.com/articles/best-pms-hotel-chains)
- [Hotel PMS API Sandbox for Developers: A Field Guide](https://www.stayntouch.com/articles/hotel-pms-api-sandbox-developers)

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*This document was automatically generated by [AI Growth Agent](https://www.stayntouch.com/articles) — AI Growth SEO v4.38.1*
*Generated on: 2026-11-11 23:26:44 GMT+0000*
