Citation

Citation provides a web-based citation generator and writing workspace that supports APA, MLA, Chicago and other citation styles. Users can create citations by entering URLs, DOIs, ISBNs or titles, manage sources, organize research files, and export bibliographies. The platform offers a free tier with usage limits and paid plans for higher allowances, and includes AI‑assisted suggestions and source verification.

Citation publishes 14 API contracts indexed on the APIs.io network, including Balance API, Checks API, Documents API, and 11 more. Tagged areas include Citation, Bibliography, WritingTool, Academic, and Productivity.

The Citation catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Citation’s developer surface includes CLI, authentication, documentation, API reference, getting-started guide, support, engineering blog, and 28 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

55.0/100 strong Agent 56/100 agent native Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 published contract 1 MCP Servers

CitationBibliographyWritingToolAcademic Productivity

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 55.0/100 · strong

Contract Quality 13.4 / 21

Developer Ergonomics 10.4 / 17

Access Clarity 10.3 / 17

Operational Transparency 1.7 / 11

Contract Governance 2.0 / 10

Discoverability 5.5 / 9

Regulatory Posture 6.8 / 15

Agent readiness — 56/100 · agent native

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 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 6 / 6

Protected Resource Metadata 5 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

Regulatory Posture applies to this provider. Its tags matched the Education & Research regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Show this score on your site.

It updates itself when the score changes. Paste this where you link to your API docs:

<a href="https://apis.io/providers/citation-co/"><img src="https://apis.io/badge/citation-co/card.svg" alt="Citation on APIs.io — Kin Score by API Evangelist"></a>

Other styles, a README pill and a shields.io endpoint are on the badge page.

Raise your score.

Agent readiness — checks not met, largest first (exact, from this profile):

A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too
Agentic Commerce Well-Known Document +5 pts — a parsing /.well-known/ucp.json or acp.json declaring a version and at least one service — `self` when its endpoints are on the provider's own domain, `platform` when they are on a vendor's
Dry-Run / Simulate Mode +4 pts — OpenAPI: destructive operations expose a dry_run / simulate / preview / validate_only parameter

2 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Operational Transparency scores 15.8 — up to +10.9 composite points
Contract Governance scores 19.7 — up to +9.6 composite points
Contract Quality scores 63.0 — up to +9.3 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/citation-co/apis.yml: open an issue on github.com/api-evangelist/citation-co to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 14

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

Citation Balance API

The Balance API from Citation — 1 operation(s) for balance.

Citation Checks API

The Checks API from Citation — 1 operation(s) for checks.

Citation Documents API

The Documents API from Citation — 17 operation(s) for documents.

Citation Events API

The Events API from Citation — 1 operation(s) for events.

Citation Exports API

The Exports API from Citation — 1 operation(s) for exports.

Citation Files API

The Files API from Citation — 3 operation(s) for files.

Citation Imports API

The Imports API from Citation — 1 operation(s) for imports.

Citation Jobs API

The Jobs API from Citation — 5 operation(s) for jobs.

Citation Ledger API

The Ledger API from Citation — 1 operation(s) for ledger.

Citation Me API

The Me API from Citation — 1 operation(s) for me.

Citation Pricing API

The Pricing API from Citation — 1 operation(s) for pricing.

Citation Sources API

The Sources API from Citation — 1 operation(s) for sources.

Citation Webhooks API

The Webhooks API from Citation — 3 operation(s) for webhooks.

Citation Write API

The Write API from Citation — 1 operation(s) for write.

Scroll for all 14

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Citation MCP Server

Remote MCP server at citation.co.

MCP SERVER

Rate Limits 1

Documented rate limits and quota policies.

Citation Co Rate Limits

0 limits

RATE LIMITS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Citation Co Context

56 classes · 109 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Citation API Rules

17 rules · 16 errors 1 info

SPECTRAL

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Citation Co Openapi Overlay

0 actions · update

UNRECORDED

JSON Schema 6

Standalone JSON Schema definitions for this provider's data models.

CheckReview

3 properties

JSON SCHEMA

Connection

6 properties

JSON SCHEMA

context

2 properties

JSON SCHEMA

Job

11 properties

JSON SCHEMA

write

15 properties

JSON SCHEMA

WritingContext

2 properties

JSON SCHEMA

Security Posture 4

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

Citation Co Authentication

1 scheme

SECURITY

Citation Co Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Citation Co Vulnerability Disclosure

no policy recorded

SECURITY

Citation Co Trust Center

SOC 2, ISO 27001, PCI DSS, HIPAA, GDPR

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Citation Co Scopes

13 scopes

SCOPES

Agentic Access 1

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

Citation Co Agentic Access

47 operations · 26 acting · 1 human-in-the-loop

47 operations · 26 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

SignUp

SignUp

Login

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

MCPServer

WellKnown

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

Idempotency

Conventions

ErrorCatalog

Conformance

Scroll for all 8

Build 2

SDKs, sample code, and the tooling you integrate with

CLI

CLI

GitHubOrganization

GitHubOrganization

Access & Security 7

Authentication, authorization, and security posture

Compliance

Authentication

OAuthScopes

Security

TrustCenter

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Scroll for all 7

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: citation-co
name: Citation
description: Citation provides a web-based citation generator and writing workspace that supports APA, MLA, Chicago and other
  citation styles. Users can create citations by entering URLs, DOIs, ISBNs or titles, manage sources, organize research files,
  and export bibliographies. The platform offers a free tier with usage limits and paid plans for higher allowances, and includes
  AI‑assisted suggestions and source verification.
image: https://citation.co/opengraph-image.jpg
url: https://artifacts.apis.io/citation-co/apis.yml
x-type: company
x-source: harvest:new-submission
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-30 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-30'
modified: '2026-10-30'
tags:
- Citation
- Bibliography
- WritingTool
- Academic
- Productivity
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/citation-co-agentic-access.yml
- type: Spectral
  url: rules/citation-co-rules.yml
- type: JSONLD
  url: json-ld/citation-co-context.jsonld
- type: Vocabulary
  url: vocabulary/citation-co-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/citation-co-data-model.yml
- type: CLI
  url: cli/citation-co-cli.yml
- type: Idempotency
  url: conventions/citation-co-conventions.yml
- type: Conventions
  url: conventions/citation-co-conventions.yml
- type: Compliance
  url: https://citation.co/security
- type: Authentication
  url: authentication/citation-co-authentication.yml
- type: OAuthScopes
  url: scopes/citation-co-scopes.yml
- type: ErrorCatalog
  url: errors/citation-co-problem-types.yml
- type: Conformance
  url: conformance/citation-co-conformance.yml
- type: LLMsTxt
  url: llms/citation-co-llms.txt
- type: MCPServer
  url: mcp/citation-co-mcp.yml
- type: WellKnown
  url: well-known/citation-co-well-known.yml
- type: Hosts
  url: hosts/citation-co-hosts.yml
- type: Vendors
  url: vendors/citation-co-vendors.yml
- type: Security
  url: https://citation.co/security
- type: TrustCenter
  url: security/citation-co-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/citation-co-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/citation-co-domain-security.yml
- type: Website
  url: https://citation.co/
- type: Documentation
  url: https://citation.co/docs
- type: APIReference
  url: https://citation.co/docs/api
- type: GettingStarted
  url: https://citation.co/docs/start-guide
- type: Support
  url: https://citation.co/contact
- type: Blog
  url: https://citation.co/blog
- type: GitHubOrganization
  url: https://github.com/citationco
- type: Pricing
  url: https://citation.co/pricing
- type: SignUp
  url: https://citation.co/signup
- type: Login
  url: https://citation.co/login
- type: TermsOfService
  url: https://citation.co/terms
- type: PrivacyPolicy
  url: https://citation.co/privacy
apis:
- aid: citation-co:citation-co-balance-api
  name: Citation Balance API
  description: The Balance API from Citation — 1 operation(s) for balance.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Balance
  properties:
  - type: OpenAPI
    url: openapi/citation-co-balance-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-checks-api
  name: Citation Checks API
  description: The Checks API from Citation — 1 operation(s) for checks.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Checks
  properties:
  - type: OpenAPI
    url: openapi/citation-co-checks-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-documents-api
  name: Citation Documents API
  description: The Documents API from Citation — 17 operation(s) for documents.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Documents
  properties:
  - type: OpenAPI
    url: openapi/citation-co-documents-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-events-api
  name: Citation Events API
  description: The Events API from Citation — 1 operation(s) for events.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Events
  properties:
  - type: OpenAPI
    url: openapi/citation-co-events-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-exports-api
  name: Citation Exports API
  description: The Exports API from Citation — 1 operation(s) for exports.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Exports
  properties:
  - type: OpenAPI
    url: openapi/citation-co-exports-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-files-api
  name: Citation Files API
  description: The Files API from Citation — 3 operation(s) for files.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Files
  properties:
  - type: OpenAPI
    url: openapi/citation-co-files-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-imports-api
  name: Citation Imports API
  description: The Imports API from Citation — 1 operation(s) for imports.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Imports
  properties:
  - type: OpenAPI
    url: openapi/citation-co-imports-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-jobs-api
  name: Citation Jobs API
  description: The Jobs API from Citation — 5 operation(s) for jobs.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Jobs
  properties:
  - type: OpenAPI
    url: openapi/citation-co-jobs-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-ledger-api
  name: Citation Ledger API
  description: The Ledger API from Citation — 1 operation(s) for ledger.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Ledger
  properties:
  - type: OpenAPI
    url: openapi/citation-co-ledger-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-me-api
  name: Citation Me API
  description: The Me API from Citation — 1 operation(s) for me.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Me
  properties:
  - type: OpenAPI
    url: openapi/citation-co-me-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-pricing-api
  name: Citation Pricing API
  description: The Pricing API from Citation — 1 operation(s) for pricing.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Pricing
  properties:
  - type: OpenAPI
    url: openapi/citation-co-pricing-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-sources-api
  name: Citation Sources API
  description: The Sources API from Citation — 1 operation(s) for sources.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Sources
  properties:
  - type: OpenAPI
    url: openapi/citation-co-sources-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-webhooks-api
  name: Citation Webhooks API
  description: The Webhooks API from Citation — 3 operation(s) for webhooks.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/citation-co-webhooks-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
- aid: citation-co:citation-co-write-api
  name: Citation Write API
  description: The Write API from Citation — 1 operation(s) for write.
  humanURL: https://citation.co/docs/api
  baseURL: https://citation.co/api/v1
  tags:
  - Write
  properties:
  - type: OpenAPI
    url: openapi/citation-co-write-api-openapi.yml
  - type: JSONSchema
    url: json-schema/citation-co-job-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-check-review-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-writing-context-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-write-schema.json
  - type: JSONSchema
    url: json-schema/citation-co-connection-schema.json
x-coverage:
  state: gated
  reason: partner-login
  method: derived
  generated: '2026-10-30'
  generator: derive-coverage.py (pre-flight evidence)
  detail: the company serves an API surface but requires credentials before any description of it can be read
  evidence:
  - url: https://citation.co/openapi.json
    status: null
  - url: https://citation.co/mcp
    status: 401
  - url: https://citation.co/
    status: 200
x-enrichment:
  date: '2026-10-30'
  status: enriched
  artifacts_added: 31
  pass: modular-v1
  engine: identity=oss,contract=oss,surfaces=oss,docs=oss,regulatory=oss

Citation API — frequently asked questions

Does Citation have an API?

Yes. APIs.io lists 14 APIs from Citation, including Citation Balance API, Citation Checks API and Citation Documents API, and 11 more.

Is there an OpenAPI specification for the Citation API?

Yes. APIs.io indexes 14 OpenAPI specifications for Citation, each linked for download from this page.

How do I authenticate with the Citation API?

Citation documents its authentication (1 scheme). The details are profiled on APIs.io as Citation Co Authentication.

Does Citation have an MCP server?

Yes. APIs.io lists 1 MCP server for Citation: Remote MCP server at citation.co.

Is the Citation API ready for AI agents?

Citation has a Kin Score of 55.0 out of 100 (strong) and an Agent Readiness score of 55.6 (agent-native), scored by API Evangelist on 2026-10-31.

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/citation-co"

All providers

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

Every operation they expose

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

How their score was established

curl "https://apis.io/api/v1/providers/citation-co/evidence"

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

Get an API 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.

GitHub Google LinkedIn

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