overlay: 1.0.0 info: title: API Evangelist enhancements for the Datavant REST API version: 1.0.0 extends: openapi/datavant-rest-api-openapi.yml actions: - target: $.info update: x-apievangelist-profile: https://apis.io/provider/datavant x-apievangelist-source: https://developer.datavant.com/openapi.json x-apievangelist-harvested: '2026-08-14' x-apievangelist-note: Spec is served on the API-reference host root; developer.datavant.com/ itself returns 404. contact: name: Datavant Support email: support@datavant.com url: https://developer.datavant.com/docs termsOfService: https://www.datavant.com/terms-of-use - target: $.servers update: - url: https://api.datavant.io/v2 description: Production - the only server the specification declares. - target: $.components.securitySchemes.oauth2 update: description: OAuth 2.0 client credentials. POST client_id/client_secret to https://api.datavant.io/v2/oauth2/token; the response carries a bearer access_token valid for 7200 seconds. The scopes map is empty - a token grants every operation. - target: $.components.schemas.ErrorHTTPResponse update: x-apievangelist-error-catalog: errors/datavant-problem-types.yml x-apievangelist-format: vendor-envelope (not RFC 9457 application/problem+json) - target: $.components.schemas.Links update: x-apievangelist-pagination: limit/offset, limit default 50 maximum 100; see conventions/datavant-conventions.yml - target: $.tags[?(@.name=='Release Notes')] update: x-apievangelist-changelog: changelog/datavant-changelog.yml x-apievangelist-note: Newest entry 2023-09-13; info.version still 2023-04-01.