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Guesty Open API Documentation

Guesty's official Open API developer portal. It contains the complete reference documentation, supplemented by guides and a changelog.

For agents: Guesty's Open API developer portal: reference docs, guides, migrations and changelog for programmatically managing property-management reservations and listings

guesty open apiproperty management apivacation rentalreservations apideveloper referencechangelog

Their llms.txt

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# Guesty Open API Documentation

> Guesty's official Open API developer portal. It contains the complete reference documentation, supplemented by guides and a changelog.

## Guides: Overviews
- [Quick start guide](https://open-api-docs.guesty.com/docs/quick-start-guide.md): Guesty's Open API allows property managers and developers to programmatically interact with the Guesty platform. This guide walks you through the initial setup, authentication, and how to make your…
  - [Postman Guide](https://open-api-docs.guesty.com/docs/postman-guide.md): Use Postman to explore Guesty's OpenAPI. You will need an active Guesty account to send requests and receive responses.
- [Authentication](https://open-api-docs.guesty.com/docs/authentication.md): Generating an access token to authenticate Open API requests.
- [Upgrading Third-Party Access to Your Guesty Account](https://open-api-docs.guesty.com/docs/upgrading-third-party-access-to-your-guesty-account.md): How to integrate external applications with your Guesty account.
- [Rate Limits](https://open-api-docs.guesty.com/docs/rate-limits.md): Guesty's Open API rate limits and how to work with them.

## Guides: Migrations and Deprecations
- [Custom Reservation Fields Migration](https://open-api-docs.guesty.com/docs/custom-reservation-fields-migration.md): How to move from the old custom reservation fields endpoints to the new ones.
- [Optimized Calendar Webhook and Endpoint](https://open-api-docs.guesty.com/docs/calendar-webhook-migration.md): Introducing a new lightweight calendar webhook.
- [Reservation webhooks migration](https://open-api-docs.guesty.com/docs/reservation-webhooks-migration-guide.md): How to move from legacy reservation events to v2 ones

## Guides: Best Practices
- [Building a Direct Booking Website Using Guesty API](https://open-api-docs.guesty.com/docs/moving-your-website-from-guestys-legacy-api-to-booking-engine-api.md): The best API for a booking website.
- [Troubleshooting API Error Codes](https://open-api-docs.guesty.com/docs/troubleshooting-api-error-codes.md): 10 error status codes when building APIs for the first time and how to fix them.

## Guides: Accounting
- [Vendors](https://open-api-docs.guesty.com/docs/vendors.md): How to retrieve vendor information.

## Guides: AI
- [Guesty MCP Server (beta)](https://open-api-docs.guesty.com/docs/guesty-mcp-server-beta.md): Guesty MCP Server enables MCP-compatible AI assistants to connect to Guesty API

## Guides: Calendar
- [Calendar Block Types](https://open-api-docs.guesty.com/docs/calendar-block-types.md): How to read and understand calendar blocks.

## Guides: Guests
- [Fields/Columns for Guest Reports](https://open-api-docs.guesty.com/docs/fields-for-guest-reports.md): Describes the guest columns or fields that can be returned in reports.

## Guides: Guest Payments
- [GuestyPay Tokenization Flow](https://open-api-docs.guesty.com/docs/tokenizing-payment-methods.md): How to safely tokenize credit card details for the GuestyPay payment
…

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Claim my listing on Agent Web Map for guesty.com:
1. POST https://agentwebmap.com/v1/sites/guesty.com/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://guesty.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/guesty.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/guesty.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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