Keep Tags and collections API
The Tags and collections API from Keep — 3 operation(s) for tags and collections.
The Tags and collections API from Keep — 3 operation(s) for tags and collections.
Every API here is available over the APIs.io API and to AI agents over MCP.
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.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.curl "https://apis.io/api/v1/apis/keep-md:keep-md-tags-and-collections-api"
curl "https://apis.io/api/v1/apis?limit=25"
Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
openapi: 3.2.0
info:
title: Keep Tags and collections API
version: 0.2.0
description: The stable API for Keep accounts, saved Items, Notes, Projects, sources, exports, and webhooks.
servers:
- url: https://keep.md
description: Production
security:
- bearerAuth: []
- sessionCookie: []
tags:
- name: Tags and collections
paths:
/api/tags:
get:
tags:
- Tags and collections
operationId: listTags
summary: List tags
responses:
'200':
description: Tags
content:
application/json:
schema:
type: object
required:
- tags
properties:
tags:
type: array
items:
$ref: '#/components/schemas/Tag'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'400':
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'401':
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'403':
description: The credential lacks access or the plan does not include the feature
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
description: List tags.
parameters:
- $ref: '#/components/parameters/Keep-API-Version'
post:
tags:
- Tags and collections
operationId: createTag
summary: Create or return a tag
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- name
properties:
name:
type: string
additionalProperties: false
responses:
'200':
description: Tag
content:
application/json:
schema:
type: object
required:
- tag
properties:
tag:
$ref: '#/components/schemas/Tag'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'400':
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'401':
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'403':
description: The credential lacks access or the plan does not include the feature
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
description: Create or return a tag.
parameters:
- $ref: '#/components/parameters/Keep-API-Version'
/api/tags/{slug}:
parameters:
- name: slug
in: path
required: true
description: Current tag slug
schema:
type: string
patch:
tags:
- Tags and collections
operationId: updateTag
summary: Update a tag name or description
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
name:
type: string
description:
type:
- string
- 'null'
additionalProperties: false
responses:
'200':
description: Updated tag
content:
application/json:
schema:
type: object
required:
- tag
properties:
tag:
$ref: '#/components/schemas/Tag'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'400':
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'401':
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'403':
description: The credential lacks access or the plan does not include the feature
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'404':
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'409':
description: The request conflicts with the current resource state
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
description: Update a tag name or description.
parameters:
- $ref: '#/components/parameters/Keep-API-Version'
delete:
tags:
- Tags and collections
operationId: deleteTag
summary: Delete a tag without deleting Notes or Items
responses:
'200':
description: Deleted tag
content:
application/json:
schema:
$ref: '#/components/schemas/OkResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'400':
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'401':
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'403':
description: The credential lacks access or the plan does not include the feature
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'404':
description: Resource not found
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
description: Delete a tag without deleting Notes or Items.
parameters:
- $ref: '#/components/parameters/Keep-API-Version'
/api/collections:
get:
tags:
- Tags and collections
operationId: listCollections
summary: List collections
responses:
'200':
description: Collections
content:
application/json:
schema:
type: object
required:
- collections
properties:
collections:
type: array
items:
$ref: '#/components/schemas/Collection'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'400':
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'401':
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'403':
description: The credential lacks access or the plan does not include the feature
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
description: List collections.
parameters:
- $ref: '#/components/parameters/Keep-API-Version'
post:
tags:
- Tags and collections
operationId: createCollection
summary: Create or return a collection
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- name
properties:
name:
type: string
additionalProperties: false
responses:
'200':
description: Collection
content:
application/json:
schema:
type: object
required:
- collection
properties:
collection:
$ref: '#/components/schemas/Collection'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'400':
description: Invalid request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'401':
description: Authentication required
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
'403':
description: The credential lacks access or the plan does not include the feature
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
headers:
Keep-API-Version:
$ref: '#/components/headers/Keep-API-Version'
RateLimit-Policy:
$ref: '#/components/headers/RateLimit-Policy'
RateLimit:
$ref: '#/components/headers/RateLimit'
Retry-After:
$ref: '#/components/headers/Retry-After'
Deprecation:
$ref: '#/components/headers/Deprecation'
Sunset:
$ref: '#/components/headers/Sunset'
Link:
$ref: '#/components/headers/Link'
description: Create or return a collection.
parameters:
- $ref: '#/components/parameters/Keep-API-Version'
components:
headers:
Keep-API-Version:
description: The date-based version used for this response.
schema:
type: string
example: '2026-08-24'
RateLimit-Policy:
description: The request quota and time window for the active policy.
schema:
type: string
example: '"api";q=300;w=60'
RateLimit:
description: The remaining quota and reset time. It is returned when a limit is reached.
schema:
type: string
example: '"api";r=0;t=60'
Link:
description: A link to migration information for a deprecated version.
schema:
type: string
Retry-After:
description: Seconds to wait before another request.
schema:
type: integer
example: 60
Sunset:
description: The date after which a deprecated API version stops working.
schema:
type: string
format: http-date
Deprecation:
description: The Structured Field date when the selected API version became deprecated.
schema:
type: string
example: '@1819756800'
schemas:
Tag:
type: object
required:
- id
- name
- slug
properties:
id:
type: string
name:
type: string
slug:
type: string
description:
type:
- string
- 'null'
count:
type: integer
itemCount:
type: integer
noteCount:
type: integer
ErrorResponse:
type: object
required:
- error
properties:
error:
type: string
message:
type: string
limit:
type: integer
resolution:
type: string
description: A suggested action that can resolve the error.
additionalProperties: true
OkResponse:
type: object
required:
- ok
properties:
ok:
type: boolean
additionalProperties: true
Collection:
type: object
required:
- id
- name
- slug
properties:
id:
type: string
name:
type: string
slug:
type: string
additionalProperties: true
parameters:
Keep-API-Version:
name: Keep-API-Version
in: header
required: false
description: Optional date-based Keep API version. Omit it to use the current version.
schema:
type: string
example: '2026-08-24'
securitySchemes:
bearerAuth:
type: http
scheme: bearer
bearerFormat: Keep API key
description: A personal Keep API key.
sessionCookie:
type: apiKey
in: cookie
name: keep.session_token
description: The authenticated Keep web session. Token management requires this session.
x-api-version-header: Keep-API-Version
x-current-api-version: '2026-08-24'
x-versioning-policy:
strategy: date-based request header
default: The current version is used when the header is omitted.
deprecation: Deprecated versions remain available for at least six months and return Deprecation, Sunset, and Link headers.