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Crossref Funders API

Endpoints that expose funder related data

Crossref Funders API is one of 8 APIs that Crossref publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 JSON Schema definition.

Tagged areas include Funders. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a JSON-LD context, and 1 JSON Schema.

This API exposes 3 operations across 3 paths, and defines 40 schemas. It is described by OpenAPI 3.2.0, at version 3.32.0.

Requests are made against a single base URL, /.

3 operations 3 paths 40 schemas 3 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
3.32.0
Base URL
https://api.crossref.org
Contact
Resource Areas
1

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.

Funders 3

Endpoints that expose funder related data

GET
/funders/{id}/works
Get funders by id works
getFundersByIdWorks 12 params → 200
GET
/funders/{id}
Get funders by id
getFundersById 1 param → 200404
GET
/funders
Get funders
getFunders 6 params → 200

Schemas 40

The contract defines 40 schemas that model the data the API accepts and returns. The most detailed are Work (73 properties), Reference (22 properties), FunderFull (13 properties), Author (9 properties). Each schema is shown below with its type and property counts.

SecondaryResource
object
2 properties 2 required
FunderFull
object
13 properties 13 required
WorkStandardsBody
object
2 properties
VersionInfoDescription
object
2 properties
WorkClinicalTrial
object
3 properties 2 required
FundersMessage
object
4 properties 4 required
PrimaryResource
object
1 property 1 required
WorkAssertionGroup
object
2 properties 1 required
Funders
object
4 properties 4 required
HierarchyNamesObject
object
Reference
object
22 properties
FunderMessage
object
4 properties 4 required
VersionInfo
object
3 properties 1 required
WorkAssertionExplanation
object
1 property 1 required
WorkFreeToRead
object
2 properties
WorkFunder
object
5 properties
Query
object
2 properties 2 required
WorkReview
object
7 properties
WorkRelationObject
object
3 properties 3 required
Works
object
5 properties 4 required
DateAndVersion
object
4 properties 4 required
WorkUpdate
object
4 properties 4 required
WorkRelation
object
Date
object
3 properties 3 required
FunderHierarchy
object
1 property
Affiliation
object
1 property 1 required
Work
object
73 properties 13 required
WorkLicense
object
4 properties 3 required
WorkAssertion
object
6 properties 1 required
Author
object
9 properties 2 required
WorkDomain
object
2 properties 1 required
Resources
object
2 properties 1 required
WorkISSNType
object
2 properties 2 required
DateParts
object
1 property 1 required
Funder
object
8 properties 8 required
FunderIdentifier
object
3 properties 3 required
WorkLink
object
4 properties 4 required
WorkInstitution
object
4 properties 1 required
WorksMessage
object
4 properties 4 required
WorkJournalIssue
object
1 property 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

crossref-funders-api-openapi.yml Raw ↑

Other APIs Crossref publishes across the network.

Crossref Agency API
Crossref Journals API
Crossref Licenses API
Crossref Members API
Crossref Prefixes API
Crossref Types API
Crossref Works API
Where this information came from

This is an independent, third-party profile of Crossref Funders 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.

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