> ## Documentation Index > Fetch the complete documentation index at: https://partners.ladder.africa/llms.txt > Use this file to discover all available pages before exploring further. # Upload a KYB document > multipart/form-data. PDF, JPEG or PNG, max 2MB. The signature covers the raw multipart body. `person_id` links an ID document to a person. Idempotency-Key is not required here. ## OpenAPI ````yaml /openapi.json post /partner/v1/kyb/documents openapi: 3.0.3 info: title: Ladder Partner API version: v1 description: >- Server-to-server API for licensed partner organisations: KYB, NGN/GHS/USD wallets, funding rails, investments and NGX market data, buy and sell orders, holdings and webhooks. Every request is HMAC-signed; see the Authentication guide. contact: email: partners@myladder.africa servers: - url: https://api.myladder.africa description: Production - url: https://api-dev.myladder.africa description: UAT (integration and acceptance testing) security: - LadderKey: [] LadderTimestamp: [] LadderSignature: [] tags: - name: Organisation description: The calling organisation and what KYB still needs. - name: KYB description: >- Business information, people, documents, settlement accounts and submission. - name: Wallets description: >- Balances, funding requests on every rail, direct-debit mandates and the ledger statement. - name: Investments description: What a partner can buy. - name: Market data description: >- Nigerian Exchange instruments, quotes, bars, indices, FX, calendar and disclosures. - name: Orders description: Buy and sell orders and their lifecycle. - name: Holdings description: Positions created by completed buys. - name: Webhooks description: Endpoints, deliveries and retries. - name: Sandbox description: Test-key only helpers. paths: /partner/v1/kyb/documents: parameters: [] post: tags: - KYB summary: Upload a KYB document description: >- multipart/form-data. PDF, JPEG or PNG, max 2MB. The signature covers the raw multipart body. `person_id` links an ID document to a person. Idempotency-Key is not required here. operationId: kyb_documents_create parameters: [] requestBody: content: multipart/form-data: schema: type: object properties: document_type: type: string enum: - certificate_of_incorporation - registry_status_report - constitution - board_resolution - proof_of_address - financial_statement - aml_policy - regulatory_licence - person_id - other person_id: type: string format: uuid file: type: string format: binary required: - document_type - file required: true responses: '201': description: '' content: application/json: schema: $ref: '#/components/schemas/PartnerKYBDocumentResponse' '400': description: Validation or business-rule error (see `error.code`). content: application/json: schema: $ref: '#/components/schemas/PartnerError' '401': description: Missing/invalid signature, stale timestamp, unknown or revoked key. content: application/json: schema: $ref: '#/components/schemas/PartnerError' '403': description: IP not allowlisted, or action not allowed for this key/environment. content: application/json: schema: $ref: '#/components/schemas/PartnerError' '404': description: Not found (or belongs to another organisation/environment). content: application/json: schema: $ref: '#/components/schemas/PartnerError' '409': description: >- Conflict: state does not allow this action, duplicate reference, or Idempotency-Key reuse. content: application/json: schema: $ref: '#/components/schemas/PartnerError' '429': description: Rate limited (120 requests/min per key). See `Retry-After`. content: application/json: schema: $ref: '#/components/schemas/PartnerError' components: schemas: PartnerKYBDocumentResponse: required: - data type: object properties: data: $ref: '#/components/schemas/PartnerKYBDocument' PartnerError: required: - error type: object properties: error: $ref: '#/components/schemas/PartnerErrorBody' PartnerKYBDocument: type: object properties: id: title: Id type: string format: uuid readOnly: true document_type: title: Document type type: string enum: - certificate_of_incorporation - registry_status_report - constitution - board_resolution - proof_of_address - financial_statement - aml_policy - regulatory_licence - person_id - other readOnly: true person_id: title: Person id type: string format: uuid readOnly: true nullable: true file_name: title: File name type: string readOnly: true minLength: 1 content_type: title: Content type type: string readOnly: true minLength: 1 size_bytes: title: Size bytes type: integer readOnly: true review_status: title: Review status type: string enum: - pending - accepted - rejected readOnly: true review_note: title: Review note type: string readOnly: true minLength: 1 created_at: title: Created_at type: string format: date-time readOnly: true PartnerErrorBody: required: - code - message - details type: object properties: code: title: Code description: Stable machine-readable code, e.g. `insufficient_funds`. type: string minLength: 1 message: title: Message type: string minLength: 1 details: title: Details description: Code-specific context (validation errors, balances, …). type: object additionalProperties: type: string nullable: true securitySchemes: LadderKey: type: apiKey in: header name: X-Ladder-Key description: 'Your key id: `pk_test_…` (sandbox) or `pk_live_…` (live).' LadderTimestamp: type: apiKey in: header name: X-Ladder-Timestamp description: Unix seconds, as a string; must be within 5 minutes of server time. LadderSignature: type: apiKey in: header name: X-Ladder-Signature description: >- Lower-case hex HMAC-SHA512 over timestamp, method, path+query and the SHA-256 of the body. See Authentication. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.