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APIs / Developer Tools / Payload Headless CMS API
Payload Headless CMS API logo

Payloadcms Payload Headless CMS API

65
AI ReadinessAI-Aware (B)65/100
See full scorecard
Agent-ready OpenAPI document · curated by JenticDeveloper ToolsProject Managementbearer, apiKey15 EndpointsREST

Know of an official OpenAPI document? Contribute it →

For Agents

Manage content collections, authenticate users, and access global configurations in self-hosted Payload CMS instances through a unified REST interface.

Use for: I need to create a new document in a collection, I want to query all published blog posts with pagination, Retrieve a specific document by its ID from a collection, Get the current user's authentication status and permissions

Not supported: Does not handle media processing, email delivery, or deployment orchestration - use for content management, authentication, and collection operations only.

Jentic publishes the only available OpenAPI specification for Payload Headless CMS API, keeping it validated and agent-ready. The Payload CMS REST API provides a generic pattern for managing any collection defined in your Payload project. It supports finding, creating, updating, and deleting documents across all collections, plus built-in authentication with JWT tokens and HTTP-only cookies. Global configuration endpoints allow reading and updating singleton data like site settings or navigation menus.

Jentic One on GithubView OpenAPI Document

Install Jentic One Beta

Connect the Payload Headless CMS API to your agent

Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the Payload Headless CMS API, or any other public or private API you need. You set the rules, the agent never sees your credentials, and every call is logged.

Two steps, two machines. Install the instance in a safe environment, then register your agent from wherever it runs.

1

Step 1: Jentic One Host machine

# On the machine that will host your Jentic One instance:
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fpayloadcms.com%2Fpayloadcms" | sh
2

Step 2: Agent machine

# On the machine where your agent runs (keep this separate from the instance):
curl -fsSL "https://jentic.com/install.sh?src=apis&api=%2Fapis%2Fpayloadcms.com%2Fpayloadcms" | sh
jentic register       # connects your agent to your Jentic One instance

Jentic One is in public beta. The setup above keeps your agent separate from the instance, which is what you want before using real credentials: an agent running as the same OS user as Jentic One can read its stored keys directly. Just evaluating? A single local install is fine to start. See the secure deployment guide for the tiers.

Capabilities

What an agent can do with Payload Headless CMS API.

Query and filter documents across any user-defined collection with pagination

Create and update content documents with full field validation

Authenticate users via JWT tokens and manage sessions with refresh and logout

Read and update global configuration objects like site settings

Handle password reset flows with forgot-password and reset-password endpoints

Retrieve the currently authenticated user's profile and permissions

Use Cases

Patterns agents use Payload Headless CMS API for, with concrete tasks.

★ Headless Content Management

Manage structured content for websites, mobile apps, or digital products through the REST API. Payload's collection-based architecture means every content type you define gets full CRUD endpoints automatically. Documents support rich text, relationships, media uploads, and localization fields, making it suitable for multi-site or multi-language content delivery.

Create a new blog post document in the 'posts' collection with title, body, and published status set to true via POST /{collection}

User Authentication and Access Control

Payload includes built-in authentication for any collection marked as auth-enabled. The API handles login, logout, token refresh, password reset, and session management using JWT bearer tokens or HTTP-only cookies. This supports role-based access control without needing a separate identity provider.

Authenticate a user via POST /{collection}/login with email and password, then retrieve the user profile using GET /{collection}/me with the returned JWT token

Content Querying and Filtering

Query documents across collections using Payload's query operators for filtering, sorting, pagination, and field selection. The API supports nested field queries, relationship population, and locale-specific content retrieval. Ideal for building search pages, content feeds, or filtered catalogs driven by user input.

Query the 'products' collection for all documents where status equals 'active' with pagination limit of 10 and sort by createdAt descending via GET /{collection}

AI Agent Content Operations via Jentic

AI agents use Jentic to perform content operations on Payload CMS instances without managing JWT token lifecycles or constructing complex query parameters manually. Jentic provides intent-based discovery so agents find operations like 'create a document' or 'query a collection' and receive validated schemas for immediate execution.

Search Jentic for 'create a document in a CMS collection', load the operation schema, and execute it to create a new page in the 'pages' collection

Key Endpoints

15 endpoints — jentic publishes the only available openapi specification for payload headless cms api, keeping it validated and agent-ready.

METHOD

PATH

DESCRIPTION

GET

/{collection}

Find documents in a collection with query filters

POST

/{collection}

Create a new document in a collection

GET

/{collection}/{id}

Retrieve a document by ID

PATCH

/{collection}/{id}

Update a document by ID

DELETE

/{collection}/{id}

Delete a document by ID

POST

/{collection}/login

Authenticate and receive a JWT token

GET

/{collection}/me

Get the currently authenticated user

GET

/globals/{global_slug}

Read a global configuration object

GET

/{collection}

Find documents in a collection with query filters

POST

/{collection}

Create a new document in a collection

GET

/{collection}/{id}

Retrieve a document by ID

PATCH

/{collection}/{id}

Update a document by ID

DELETE

/{collection}/{id}

Delete a document by ID

POST

/{collection}/login

Authenticate and receive a JWT token

GET

/{collection}/me

Get the currently authenticated user

GET

/globals/{global_slug}

Read a global configuration object

Jentic AI Readiness Score

This API is usable in Jentic One now. Its AI-readiness score against Jentic's framework shows where it stands today and where improvements would make it even easier for agents to use.

P

Payload Headless CMS API

- AI-Aware (B)
65/100
74
Foundational Compliance
63
Developer Experience & Jentic Compatibility
49
AI-Readiness & Agent Experience
94
Agent Usability
63
Security
73
AI Discoverability
Powered by JenticScoring Framework 1.0.0 | Scoring Engine 0.4.0
Show dimension breakdown
74

Foundational Compliance

Base layer of spec validity and structural soundness.

Grade: A-Signals: 4
98%

Lint Results

Aggregated quality score from linter diagnostics, weighted by severity.

100%

Resolution Completeness

Percentage of `$ref` references that resolve successfully.

100%

Specification Validity

Checks whether the API description parses successfully and conforms to its declared specification (e.g., OpenAPI).

0%

Structural Integrity

Structural correctness score based on schema issues using logarithmic dampening.

63

Developer Experience & Jentic Compatibility

Clarity, completeness, and ingestion readiness for developers and tooling.

Grade: B-Signals: 4
0%

Example Density

How richly the API is illustrated with examples.

100%

Example Validity

Percentage of examples that conform to their schemas.

50%

Response Coverage

Percentage of operations with complete response definitions (success, client error, server error).

100%

Tooling Readiness

Health of API ingestion, bundling, and resolution within Jentic pipelines.

49

AI-Readiness & Agent Experience

Semantic breadth, depth, and agent comprehension for AI systems.

Grade: D+Signals: 4
32%

Description Coverage

Coverage of descriptions across API elements.

0%

Error Standardization

Coverage of RFC 9457 Problem Details for error responses.

100%

OperationId Quality

Coverage, uniqueness, and casing consistency of operationIds for AI inference.

62%

Summary Coverage

Coverage of summaries across operations/tags/info.

94

Agent Usability

Functional utility, complexity comfort, and AI orchestration readiness.

Grade: A+Signals: 1
94%

Complexity Comfort

Agent comfort level based on API operational and structural complexity.

63

Security

Trust, risk posture, and security compliance.

Grade: B-Signals: 1
62%

Authentication Strength

Average quality of security schemes based on authentication method strength (weakest link for OAuth2).

73

AI Discoverability

Findability, semantic richness, and reasoning readiness.

Grade: A-Signals: 1
72%

Descriptive Richness

Clarity and depth of descriptions across API elements.

View full reportHow the score is calculatedMore about the dimensions

Score it yourself

Every API in the directory is allowlisted, so you can re-score it with no key required.

Score your own APIScoring CLI agent skill
npx @jentic/api-scorecard-cli score <openapi-url>

Why Jentic?

What agents get from Jentic-routed access to this vendor.

Setup

Wiring Payload by hand means handling its bearer or cookie token auth, pointing at your own self-hosted domain, and mapping dynamic collection and global routes yourself. Through Jentic you install once, import the Payload Headless CMS API from the API Directory, store the token once, and your agent calls it.

Permission scoping

Payload puts the collection and document id in the URL path (/{collection}/{id}), so a rule can pin your agent to reading one collection: it can fetch and list those documents and nothing else. You choose the operations it may call, so update and delete are not included unless you add them.

Credential isolation

Your Payload token is stored once, encrypted, by your own Jentic One instance and injected at execution time. It never enters the agent's prompt, logs, or context.

Intent-based discovery

Agents search Jentic by intent such as 'create a document in a collection' or 'fetch a global's content', and Jentic returns the matching Payload operation with its input schema so the agent calls the right endpoint without browsing the reference docs.

Related APIs

Alternatives and complements available in the Jentic catalogue.

Alternative

Contentful API

→

Cloud-hosted headless CMS with CDN delivery and structured content modeling

Choose Contentful when you need a managed cloud CMS with built-in CDN, webhooks, and enterprise content governance rather than self-hosting.

Alternative

Sanity API

→

Real-time headless CMS with GROQ query language and collaborative editing

Choose Sanity when you need real-time collaboration, a flexible query language (GROQ), or want a managed backend with a generous free tier.

Complementary

Stripe API

Payment processing for e-commerce sites built with headless CMS frontends

Use Stripe alongside Payload CMS when your content-driven site needs payment processing for products, subscriptions, or donations managed in Payload collections.

FAQs

Specific to using Payload Headless CMS API through Jentic.

Why is there no official OpenAPI spec for Payload Headless CMS API?

Payload CMS does not publish an OpenAPI specification. Jentic generates and maintains this spec so that AI agents and developers can call Payload Headless CMS API via structured tooling. It is validated against the live API and kept up to date. Get started with Jentic One, the self-hosted execution layer.

What authentication does the Payload CMS API use?

Payload CMS supports two authentication methods: JWT bearer tokens passed in the Authorization header, and HTTP-only cookies named payload-token set during login. Both are obtained from the POST /{collection}/login endpoint. Through Jentic, JWT tokens are managed automatically in your Jentic One instance.

Can I query documents with filters using the Payload CMS API?

Yes. The GET /{collection} endpoint supports query parameters for filtering by any field, sorting, pagination with limit and page parameters, and depth control for relationship population. Query operators include equals, not_equals, greater_than, less_than, like, contains, and exists.

Does the Payload CMS API work with any collection type?

Yes. The API uses a generic pattern where {collection} in the URL maps to any collection slug defined in your Payload configuration. Whether you have posts, products, users, or custom types, the same endpoints apply. The response schema adapts to the fields defined in each collection.

How do I create content in Payload CMS through Jentic?

Search Jentic for 'create a document in a CMS collection' to find the POST /{collection} operation. Jentic returns the input schema showing the collection path parameter and the document body fields. Provide your collection slug and document data, and Jentic handles authentication and request execution. Install with pip install jentic.

Can I manage global settings through the API?

Yes. The GET /globals/{global_slug} endpoint retrieves any global configuration defined in your Payload project, such as site settings, navigation menus, or footer content. You can update globals with a PATCH request to the same endpoint. Globals are singleton objects that exist outside of collections.

Can I limit what my agent is allowed to do with the Payload CMS API?

Yes. Because Jentic One is self-hosted and runs under your own rules, you decide which Payload operations and which stored token your agent may use. Payload places the collection and document id in the URL path (/{collection}/{id}), so a rule can pin the agent to reading a single collection, letting it fetch and list those documents and nothing else. Update and delete operations stay out of reach unless you explicitly add them, so the agent never writes to or removes content you did not grant.

GET STARTED

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View OpenAPI Document