> ## Documentation Index > Fetch the complete documentation index at: https://transfiya.me/llms.txt > Use this file to discover all available pages before exploring further. # Actualiza la transferencia. > TIN Cloud will call this endpoint when bank needs to sign the pending action. Depending on the key handling strategy it can use keys stored in the TIN Cloud or keys stored on local Key management system. ## OpenAPI ````yaml /public/spi-banksv3.yaml post /v1/action openapi: 3.0.0 info: version: 1.0.1 title: ACH TIN Bank Interface servers: - url: https://bank.domain.com/v1 security: [] tags: - name: Credit description: Executes download on TIN Cloud side and credit on banking core - name: Debit description: Executes upload on TIN Cloud side and debit on banking core - name: Action description: Signs the operation - name: Status description: Notifies on status of operation paths: /v1/action: post: tags: - Action summary: Actualiza la transferencia. description: >- TIN Cloud will call this endpoint when bank needs to sign the pending action. Depending on the key handling strategy it can use keys stored in the TIN Cloud or keys stored on local Key management system. operationId: signAction requestBody: content: application/json: schema: $ref: '#/components/schemas/TransferUnsigned' required: true responses: '200': description: Action signed successfully content: application/json: schema: $ref: '#/components/schemas/TransferSigned' '400': description: Error signing the action content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - ApiKeyAuth: [] - oAuth2ClientCredentials: [] - XNonce: [] components: schemas: TransferUnsigned: type: object properties: source: type: string target: type: string symbol: type: string amount: type: string snapshot: type: object properties: source: type: object properties: wallet: type: object properties: handle: type: string labels: type: object properties: type: type: string channelSms: type: string signer: type: object properties: handle: type: string labels: type: object properties: personType: type: string firstName: type: string lastName: type: string email: type: string mobile: type: string identification: type: string proprietary: type: string countryOfResidence: type: string bankAccountNumber: type: string bankAccountType: type: string bankBicfi: type: string bankName: type: string target: type: object properties: wallet: type: object properties: handle: type: string labels: type: object properties: type: type: string channelSms: type: string signer: type: object properties: handle: type: string labels: type: object properties: personType: type: string firstName: type: string lastName: type: string email: type: string mobile: type: string identification: type: string proprietary: type: string countryOfResidence: type: string bankAccountNumber: type: string bankAccountType: type: string bankBicfi: type: string bankName: type: string symbol: type: object properties: wallet: type: object properties: handle: type: string labels: type: object properties: type: type: string signer: type: object properties: handle: type: string labels: type: object properties: tx_ref: type: string tx_id: type: string type: type: string description: type: string transactionPurpose: type: string sourceCreated: type: string targetUpdated: type: string created: type: string numberOfTransactions: type: string error: $ref: '#/components/schemas/NoError' type: object action_id: type: string TransferSigned: type: object properties: source: type: string target: type: string symbol: type: string amount: type: string snapshot: type: object properties: source: type: object properties: wallet: type: object properties: handle: type: string labels: type: object properties: type: type: string channelSms: type: string signer: type: object properties: handle: type: string labels: type: object properties: personType: type: string firstName: type: string lastName: type: string email: type: string mobile: type: string identification: type: string proprietary: type: string countryOfResidence: type: string bankAccountNumber: type: string bankAccountType: type: string bankBicfi: type: string bankName: type: string target: type: object properties: wallet: type: object properties: handle: type: string labels: type: object properties: type: type: string channelSms: type: string signer: type: object properties: handle: type: string labels: type: object properties: personType: type: string firstName: type: string lastName: type: string email: type: string mobile: type: string identification: type: string proprietary: type: string countryOfResidence: type: string bankAccountNumber: type: string bankAccountType: type: string bankBicfi: type: string bankName: type: string symbol: type: object properties: wallet: type: object properties: handle: type: string labels: type: object properties: type: type: string signer: type: object properties: handle: type: string labels: type: object properties: tx_ref: type: string tx_id: type: string type: type: string description: type: string transactionPurpose: type: string sourceCreated: type: string targetUpdated: type: string created: type: string numberOfTransactions: type: string hash: type: string error: $ref: '#/components/schemas/NoError' type: object action_id: type: string ErrorResponse: type: object properties: error: $ref: '#/components/schemas/ErrorGeneric' type: object NoError: type: object properties: code: type: integer message: type: string ErrorGeneric: type: object properties: code: type: integer message: type: string securitySchemes: ApiKeyAuth: type: apiKey in: header name: API_KEY oAuth2ClientCredentials: type: oauth2 description: Simple credentials flows: clientCredentials: tokenUrl: https://achtin-stg.minka.io/oauth/token scopes: {} ````