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.
UserWithheld
object
Indicates withholding details for [withheld content](https://help.twitter.com/en/rules-and-policies/tweet-withheld-by-country).
2 properties1 required
FollowActivityResponsePayload
object
2 properties
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.
PaginationToken32
string
A base32 pagination token.
ActivitySubscriptionFilter
object
An XAA subscription filter.
3 properties
ActivityEventId
string
The unique identifier of an Activity event.
CashtagEntity
HashtagEntity
ProfileUpdateActivityResponsePayload
object
2 properties
MentionEntity
UserName
string
The X handle (screen name) of this user.
MediaKey
string
The Media Key identifier for this attachment.
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.
Url
string
A validly formatted URL.
CountryCode
string
A two-letter ISO 3166-1 alpha-2 country code.
ActivitySubscriptionId
string
The unique identifier of this subscription.
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
MentionFields
object
Represent the portion of text recognized as a User mention, and its start and end position within the text.
2 properties1 required
ActivitySubscriptionUpdateResponse
object
1 property
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
User
object
The X User object.
21 properties3 required
HashtagFields
object
Represent the portion of text recognized as a Hashtag, and its start and end position within the text.
1 property1 required
ActivitySubscriptionGetResponse
object
3 properties
ActivitySubscriptionUpdateRequest
object
2 properties
Problem
object
An HTTP Problem Details object, as defined in IETF RFC 7807 (https://tools.ietf.org/html/rfc7807).
4 properties2 required
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
ActivitySubscriptionCreateRequest
object
4 properties2 required
Error
object
2 properties2 required
ActivitySubscription
object
An XActivity subscription.
7 properties5 required
HttpStatusCode
integer
HTTP Status Code.
UrlEntity
Represent the portion of text recognized as a URL, and its start and end position within the text.
WebhookConfigId
string
The unique identifier of this webhook config.
NewsActivityResponsePayload
object
4 properties
Keyword
string
A keyword to filter on.
ActivitySubscriptionCreateResponse
object
3 properties
MediaWidth
integer
The width of the media in pixels.
ActivitySubscriptionDeleteResponse
object
3 properties
MediaHeight
integer
The height of the media in pixels.
UrlFields
object
Represent the portion of text recognized as a URL.
9 properties1 required
FullTextEntities
object
5 properties
ActivityStreamingResponsePayload
ActivityStreamingResponse
object
An activity event or error that can be returned by the x activity streaming API.
2 properties
Specification
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