> ## Documentation Index > Fetch the complete documentation index at: https://docs.etherfuse.com/llms.txt > Use this file to discover all available pages before exploring further. # Accept agreement > Records the user's acceptance of the Customer Agreement, which governs the use of Etherfuse's on/off ramp services. **Authentication:** the presigned URL is the authentication mechanism for the end user; this endpoint must be called by or on behalf of the user who will be bound by this agreement. **Legal effect:** by calling this endpoint with a valid presigned URL, the user agrees to the terms governing fiat-to-crypto and crypto-to-fiat transactions, including fees, settlement times, and liability provisions. **Optional customer info:** when using programmatic KYC, you may omit the `customerInfo` field since identity data was already submitted via the KYC endpoints. ## OpenAPI ````yaml /openapi.json post /ramp/agreements/customer-agreement openapi: 3.1.0 info: title: Etherfuse FX API description: Partner-facing ramp API for onramps, offramps, swaps, and KYC. license: name: Proprietary version: 1.0.0 servers: - url: https://api.sand.etherfuse.com description: Sandbox security: - ApiKeyAuth: [] tags: - name: Authentication description: >- Partner JWT authentication — exchange a JWT for an access token, or launch a user into the app. - name: Lookup description: >- Public reference data: exchange rates, stablebonds, bond costs, country codes. - name: Assets description: Rampable stablecoins and stablebonds available per blockchain. - name: Onboarding description: Hosted and programmatic customer onboarding. - name: Agreements description: Legal agreement acceptance during onboarding. - name: Bank Accounts description: Register and retrieve customer bank accounts. - name: Quotes description: Price quotes for onramps, offramps, and swaps. - name: Orders description: Create, track, and manage ramp orders. - name: Swaps description: Crypto-to-crypto swaps. - name: Sponsored description: Token approvals for sponsored (gasless) offramps. - name: Customers description: Customer (child-organization) records. - name: Wallets description: Register and manage customer wallets. - name: KYC description: Submit and check customer KYC status. - name: Webhooks description: Event notification subscriptions. - name: Organizations description: Organization identity, child orgs, and partner fees. paths: /ramp/agreements/customer-agreement: post: tags: - Agreements summary: Accept agreement description: >- Records the user's acceptance of the Customer Agreement, which governs the use of Etherfuse's on/off ramp services. **Authentication:** the presigned URL is the authentication mechanism for the end user; this endpoint must be called by or on behalf of the user who will be bound by this agreement. **Legal effect:** by calling this endpoint with a valid presigned URL, the user agrees to the terms governing fiat-to-crypto and crypto-to-fiat transactions, including fees, settlement times, and liability provisions. **Optional customer info:** when using programmatic KYC, you may omit the `customerInfo` field since identity data was already submitted via the KYC endpoints. operationId: accept_customer_agreement_route requestBody: content: application/json: schema: $ref: '#/components/schemas/CustomerAgreementPayload' required: true responses: '200': description: Agreement accepted content: application/json: schema: $ref: '#/components/schemas/AgreementStatus' '400': description: Invalid or expired presigned URL security: - {} components: schemas: CustomerAgreementPayload: type: object required: - presignedUrl properties: customerInfo: oneOf: - type: 'null' - $ref: '#/components/schemas/AgreementUpdateRequest' presignedUrl: type: string example: presignedUrl: >- https://api.sand.etherfuse.com/ramp/agreements/customer-agreement?...&signature=... AgreementStatus: type: object required: - accepted_timestamp - agreement_version properties: accepted_ip: type: - string - 'null' accepted_timestamp: type: string format: date-time agreement_version: type: string document_reference: type: - string - 'null' location: oneOf: - type: 'null' - $ref: '#/components/schemas/GeneralLocation' example: accepted_ip: 201.140.10.20 accepted_timestamp: '2026-05-01T15:00:00Z' agreement_version: '1.0' document_reference: https://docs.etherfuse.com/agreements/v1.0.pdf AgreementUpdateRequest: type: object properties: additional_info: oneOf: - type: 'null' - $ref: '#/components/schemas/MexicanInformationUpdate' address: type: - string - 'null' controlling_beneficiaries: type: - string - 'null' corporate_data: oneOf: - type: 'null' - $ref: '#/components/schemas/CorporateData' email: type: - string - 'null' first_name: type: - string - 'null' identification_type: type: - string - 'null' last_name: type: - string - 'null' legal_representative_data: oneOf: - type: 'null' - $ref: '#/components/schemas/LegalRepresentativeData' modification_data: oneOf: - type: 'null' - $ref: '#/components/schemas/ModificationData' name: type: - string - 'null' occupation: type: - string - 'null' phone: type: - string - 'null' GeneralLocation: type: object required: - city - region - country - emoji_flag - country_flag_url properties: city: type: string country: type: string country_flag_url: type: string emoji_flag: type: string region: type: string MexicanInformationUpdate: type: object properties: curp: type: - string - 'null' rfc: type: - string - 'null' CorporateData: type: object properties: company_name: type: - string - 'null' company_purpose: type: - string - 'null' folio: type: - string - 'null' incorporation_date: type: - string - 'null' incorporation_deed: type: - string - 'null' notary_location: type: - string - 'null' notary_name: type: - string - 'null' notary_number: type: - string - 'null' registry_date: type: - string - 'null' rfc: type: - string - 'null' LegalRepresentativeData: type: object properties: controlling_beneficiaries: type: - string - 'null' curp: type: - string - 'null' deed_date: type: - string - 'null' identification_type: type: - string - 'null' name: type: - string - 'null' notary_location: type: - string - 'null' notary_name: type: - string - 'null' notary_number: type: - string - 'null' occupation: type: - string - 'null' position: type: - string - 'null' public_deed: type: - string - 'null' registry_date: type: - string - 'null' rfc: type: - string - 'null' ModificationData: type: object properties: company_name: type: - string - 'null' deed_date: type: - string - 'null' folio: type: - string - 'null' modification_made: type: - string - 'null' notary_location: type: - string - 'null' notary_name: type: - string - 'null' notary_number: type: - string - 'null' public_deed: type: - string - 'null' registry_date: type: - string - 'null' securitySchemes: ApiKeyAuth: type: apiKey in: header name: Authorization description: API key sent in the Authorization header. ````