openapi: 3.1.0 info: title: Dropbox Sign Account Fax API version: 3.0.0 description: Best-effort OpenAPI for the Dropbox Sign (formerly HelloSign) v3 eSignature API covering accounts, API apps, bulk send jobs, embedded edit / sign URLs, and fax operations. Authoritative spec lives at https://github.com/hellosign/hellosign-openapi. contact: name: API Evangelist email: kin@apievangelist.com url: https://developers.hellosign.com/api/api-reference-welcome servers: - url: https://api.hellosign.com/v3 description: Dropbox Sign v3 API security: - apiKey: [] - oauth2: [] tags: - name: Fax paths: /fax/send: post: tags: - Fax summary: Send a fax operationId: sendFax responses: '200': description: Fax queued /fax/list: get: tags: - Fax summary: List sent and received faxes operationId: listFaxes responses: '200': description: A page of fax records components: securitySchemes: apiKey: type: http scheme: basic description: Dropbox Sign API key used as Basic auth username with empty password oauth2: type: oauth2 flows: authorizationCode: authorizationUrl: https://app.hellosign.com/oauth/authorize tokenUrl: https://app.hellosign.com/oauth/token scopes: basic_account_info: View basic account info account_access: Manage account signature_request_access: Manage signature requests template_access: Manage templates api_app_access: Manage API apps