X

Get immediate access to the X API and unlock the potential of X data.

X publishes 3 APIs on the APIs.io network: Posts API, Trends API, and Users API.

X’s developer surface includes authentication and 2 more developer resources.

📡 Source on GitHub

14.7/100 emerging ▼ -9.4 Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

4 APIs

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 14.7/100 · emerging

Contract Quality 3.2 / 25

Developer Ergonomics 2.4 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 4.6 / 10

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/x: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

X

Get immediate access to the X API and unlock the potential of X data.

X Posts API

The Posts API from X — 4 operation(s) for posts.

X Trends API

The Trends API from X — 1 operation(s) for trends.

X Users API

The Users API from X — 2 operation(s) for users.

Open Collections 5

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

X API v2 Posts API

OPEN COLLECTION

X API v2 Posts Trends API

OPEN COLLECTION

X API v2 Posts Users API

OPEN COLLECTION

X API v2

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

X Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

X Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

X Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

X Authentication

http · 1 scheme

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

X Agentic Access

8 operations · 2 acting

AGENTIC

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

Authentication

Authentication

Source (apis.yml)

aid: x
name: X
description: Get immediate access to the X API and unlock the potential of X data.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/x.png
tags: []
created: '2025-08-14'
modified: '2026-03-16'
url: https://raw.githubusercontent.com/api-evangelist/x/refs/heads/main/apis.yml
specificationVersion: '0.23'
common:
- type: AgenticAccess
  url: agentic-access/x-agentic-access.yml
- type: Authentication
  url: authentication/x-authentication.yml
- type: GitHubOrganization
  url: https://github.com/twitter
apis:
- aid: x:x
  name: X
  description: Get immediate access to the X API and unlock the potential of X data.
  humanURL: ' https://developer.x.com/en'
  tags: []
  properties:
  - type: Documentation
    url: ' https://developer.x.com/en'
- aid: x:x-posts-api
  name: X Posts API
  description: The Posts API from X — 4 operation(s) for posts.
  humanURL: ' https://developer.x.com/en'
  tags:
  - Posts
  properties:
  - type: OpenAPI
    url: openapi/x-posts-api-openapi.yml
- aid: x:x-trends-api
  name: X Trends API
  description: The Trends API from X — 1 operation(s) for trends.
  humanURL: ' https://developer.x.com/en'
  tags:
  - Trends
  properties:
  - type: OpenAPI
    url: openapi/x-trends-api-openapi.yml
- aid: x:x-users-api
  name: X Users API
  description: The Users API from X — 2 operation(s) for users.
  humanURL: ' https://developer.x.com/en'
  tags:
  - User
  tags_raw:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/x-users-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/x"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/x/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/x/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.