X (Twitter) Activity API is one of 23 APIs that X (Twitter) publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Activity. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, an API reference, authentication docs, and rate-limit docs.
This API exposes
6 operations
across 3 paths,
and defines 43 schemas.
It is described by OpenAPI 3.2.0, at version 2.161.
Requests are made against a single base URL, https://api.x.com.
6 operations3 paths43 schemas2 DELETE2 GET1 POST1 PUT
Metadata
The identity and technical contract details declared by the specification.
X (Twitter) Activity API declares
3 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (BearerToken).
It supports OAuth 2.0 (OAuth2UserToken) using the authorizationCode flow, exposing 21 scopes.
It uses HTTP oauth authentication (UserToken).
Paths & Operations 6
Across 3 paths, the API surfaces 6 operations — 2 DELETE, 2 GET, 1 POST, 1 PUT. Each is listed below with its method, path, parameters, and response codes.
The contract defines 43 schemas that model the data the API accepts and returns. The most detailed are User (21 properties), UrlFields (9 properties), ActivitySubscription (7 properties), FullTextEntities (5 properties). Each schema is shown below with its type and property counts.
UrlImage
object
Represent the information for the URL image.
3 properties
CashtagFields
object
Represent the portion of text recognized as a Cashtag, and its start and end position within the text.
1 property1 required
ActivitySubscriptionDeleteResponse
object
3 properties
CountryCode
string
A two-letter ISO 3166-1 alpha-2 country code.
ActivitySubscriptionGetResponse
object
3 properties
UrlEntity
Represent the portion of text recognized as a URL, and its start and end position within the text.
FullTextEntities
object
5 properties
HttpStatusCode
integer
HTTP Status Code.
TweetId
string
Unique identifier of this Tweet. This is returned as a string in order to avoid complications with languages and tools that cannot handle large integers.
ActivitySubscriptionUpdateResponse
object
1 property
UserId
string
Unique identifier of this User. This is returned as a string in order to avoid complications with languages and tools that cannot handle large integers.
ActivitySubscriptionFilter
object
An XAA subscription filter.
3 properties
UrlFields
object
Represent the portion of text recognized as a URL.
9 properties1 required
ActivityEventId
string
The unique identifier of an Activity event.
ActivityStreamingResponse
object
An activity event or error that can be returned by the x activity streaming API.
2 properties
UserName
string
The X handle (screen name) of this user.
MediaHeight
integer
The height of the media in pixels.
WebhookConfigId
string
The unique identifier of this webhook config.
Keyword
string
A keyword to filter on.
ProfileUpdateActivityResponsePayload
object
2 properties
MediaKey
string
The Media Key identifier for this attachment.
HashtagEntity
EntityIndicesInclusiveInclusive
object
Represent a boundary range (start and end index) for a recognized entity (for example a hashtag or a mention). start must be smaller than end. The start index…
2 properties2 required
ActivitySubscriptionId
string
The unique identifier of this subscription.
NewsActivityResponsePayload
object
4 properties
UserWithheld
object
Indicates withholding details for [withheld content](https://help.twitter.com/en/rules-and-policies/tweet-withheld-by-country).
2 properties1 required
PaginationToken32
string
A base32 pagination token.
ActivitySubscription
object
An XActivity subscription.
7 properties5 required
CashtagEntity
MediaWidth
integer
The width of the media in pixels.
ActivitySubscriptionCreateResponse
object
3 properties
MentionEntity
User
object
The X User object.
21 properties3 required
ActivitySubscriptionUpdateRequest
object
2 properties
FollowActivityResponsePayload
object
2 properties
HashtagFields
object
Represent the portion of text recognized as a Hashtag, and its start and end position within the text.
1 property1 required
Url
string
A validly formatted URL.
ActivityStreamingResponsePayload
MentionFields
object
Represent the portion of text recognized as a User mention, and its start and end position within the text.
2 properties1 required
EntityIndicesInclusiveExclusive
object
Represent a boundary range (start and end index) for a recognized entity (for example a hashtag or a mention). start must be smaller than end. The start index…
2 properties2 required
Problem
object
An HTTP Problem Details object, as defined in IETF RFC 7807 (https://tools.ietf.org/html/rfc7807).
4 properties2 required
Error
object
2 properties2 required
ActivitySubscriptionCreateRequest
object
4 properties2 required
Specification
The full machine-readable OpenAPI contract behind this narrative.
Every API here is available over the API and to AI agents over MCP. APIs is not yet its own endpoint on the v1 API. Reach this content through network search and the tag graph, or the MCP server below.
Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.
MCP tools for apis
4 tools reach this content
search_api_evangelistSearch every content type across the network at once.
find_relatedThe shared-tag relevance graph — what else covers this.
get_tagEverything one tag labels, across all content types.
guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.
A second provider on the same verified email joins the account you already have.
Your account
ⓘWhere this information came from
This is an independent, third-party profile of X (Twitter) Activity API, published by
API Evangelist. We do not operate, host, resell, or
support these APIs, and we are not affiliated with or endorsed by the company unless stated above.
Everything here is built from publicly available information — the company's own site,
developer portal, documentation, public repositories, and the specifications it publishes for public use.
Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's
public API artifacts, scored against a published rubric. They are not certifications,
endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and
you do not need to justify the request. A removed company is recorded as unrated, never scored
zero for having asked. Acknowledgement within one business day; removal within two.
info@apievangelist.com
·
Read the full data-sourcing policy → On a security or compliance team? Put security in the subject line and
you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.