> ## Documentation Index > Fetch the complete documentation index at: https://www.worldmonitor.app/docs/llms.txt > Use this file to discover all available pages before exploring further. # SearchFactChecks > SearchFactChecks returns ratings that IFCN-verified fact-checkers published about claims similar to the one given, for citation with attribution. ## OpenAPI ````yaml /api/NewsService.openapi.yaml get /api/news/v1/search-fact-checks openapi: 3.1.0 info: title: NewsService API version: 1.0.0 servers: - url: https://api.worldmonitor.app security: - WorldMonitorKey: [] - ApiKeyHeader: [] paths: /api/news/v1/search-fact-checks: get: tags: - NewsService summary: SearchFactChecks description: >- SearchFactChecks returns ratings that IFCN-verified fact-checkers published about claims similar to the one given, for citation with attribution. operationId: SearchFactChecks parameters: - name: claim in: query description: The claim or headline, up to 300 characters. required: false example: example schema: type: string - name: jmespath in: query description: >- Optional JMESPath expression applied server-side to project or reduce the JSON response before it is returned (mirrors the MCP jmespath argument). Invalid expressions, expressions larger than 1024 UTF-8 bytes, or projections that exceed the 256 KB output cap return HTTP 400 with a {_jmespath_error, original_keys} envelope. Grammar and worked examples: https://www.worldmonitor.app/docs/mcp-jmespath. required: false example: keys(@) schema: type: string responses: '200': description: Successful response content: application/json: example: caveat: >- Ratings are the fact-checkers' own, quoted with attribution from IFCN-verified signatories. WorldMonitor does not rate claims, and a rating never changes the coverage result above. factChecks: - claimReviewed: A synthetic example claim, similar to the claim checked publisher: Example Fact-Checker (synthetic) rating: Example rating reviewedAt: '2026-01-15T12:00:00.000Z' site: example.com title: Synthetic example fact-check url: https://example.com/fact-check/synthetic-example state: ok schema: $ref: '#/components/schemas/SearchFactChecksResponse' '400': description: Validation error content: application/json: schema: oneOf: - $ref: '#/components/schemas/ValidationError' - $ref: '#/components/schemas/JmespathProjectionError' '429': description: Rate limit exceeded. headers: X-RateLimit-Limit: description: Maximum requests allowed in the active rate-limit window. schema: type: string X-RateLimit-Remaining: description: Requests remaining in the active rate-limit window. schema: type: string X-RateLimit-Reset: description: >- Unix epoch milliseconds when the active rate-limit window resets. schema: type: string Retry-After: description: Seconds to wait before retrying the request. schema: type: string content: application/json: schema: oneOf: - $ref: '#/components/schemas/Error' - $ref: '#/components/schemas/RateLimitError' default: description: Gateway or handler error response. content: application/json: schema: oneOf: - $ref: '#/components/schemas/Error' - $ref: '#/components/schemas/GatewayError' security: [] components: schemas: SearchFactChecksResponse: type: object properties: factChecks: type: array items: $ref: '#/components/schemas/FactCheck' state: type: string description: >- ok | unavailable | not-configured. Only ok means the search ran; an empty list is then no published fact-check found. caveat: type: string description: >- Fixed reminder that ratings are the fact-checkers' own and never change the coverage result. description: >- SearchFactChecksResponse lists published fact-checks of claims similar to the one searched. ValidationError: type: object properties: violations: type: array items: $ref: '#/components/schemas/FieldViolation' description: List of validation violations required: - violations description: >- ValidationError is returned when request validation fails. It contains a list of field violations describing what went wrong. JmespathProjectionError: description: >- Returned when a REST jmespath projection is invalid or exceeds the expression/output byte limits. properties: _jmespath_error: description: Projection error discriminator and details. type: string original_keys: description: Top-level keys or shape of the unprojected response. items: type: string type: array required: - _jmespath_error - original_keys type: object Error: type: object properties: message: type: string description: Error message (e.g., 'user not found', 'database connection failed') description: >- Error is returned when a handler encounters an error. It contains a simple error message that the developer can customize. RateLimitError: type: object description: Returned when a gateway or handler rate limit rejects the request. properties: error: type: string description: Human-readable rate-limit failure reason. required: - error GatewayError: type: object description: >- Returned by gateway infrastructure errors before an RPC handler runs, such as origin, routing, method, authentication, or quota checks. properties: error: oneOf: - type: string - type: object additionalProperties: true description: Gateway error reason or structured gateway failure details. required: - error FactCheck: type: object properties: publisher: type: string description: The fact-checker's name as it publishes it. site: type: string description: The IFCN-allowlisted domain the link belongs to. rating: type: string description: >- The fact-checker's own rating, verbatim. WorldMonitor does not rate claims. reviewedAt: type: string description: When the fact-check was published, ISO 8601. url: type: string description: Link to the fact-check. title: type: string description: The fact-check's headline; empty when the feed gives none. claimReviewed: type: string description: >- The claim the fact-checker rated: similar to the claim searched, not necessarily the same. description: >- FactCheck is one rating an IFCN-verified fact-checker published about a similar claim, cited with attribution. FieldViolation: type: object properties: field: type: string description: >- The field path that failed validation (e.g., 'user.email' for nested fields). For header validation, this will be the header name (e.g., 'X-API-Key') description: type: string description: >- Human-readable description of the validation violation (e.g., 'must be a valid email address', 'required field missing') required: - field - description description: FieldViolation describes a single validation error for a specific field. securitySchemes: WorldMonitorKey: type: apiKey in: header name: X-WorldMonitor-Key description: User-issued WorldMonitor API key. ApiKeyHeader: type: apiKey in: header name: X-Api-Key description: Alias header for the WorldMonitor API key (X-WorldMonitor-Key). ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.