> ## Documentation Index > Fetch the complete documentation index at: https://docs.trio.com.br/llms.txt > Use this file to discover all available pages before exploring further. # Create Pix key > Creates a new pix key ## OpenAPI ````yaml v2/api-reference/openapi.json POST /v2/pix/keys openapi: 3.0.0 info: title: Trio API v2 version: 2026-10-19.v2 servers: - url: https://api.sandbox.trio.com.br variables: {} - url: https://api.qa.trio.com.br variables: {} - url: https://api.trio.com.br variables: {} security: [] tags: [] paths: /v2/pix/keys: parameters: - description: >- Version of the v2 contract the client is written against. Each breaking change publishes a new version. example: 2026-10-19.v2 in: header name: Trio-Version required: true schema: enum: - 2026-10-19.v2 type: string x-struct: null x-validate: null - description: >- ID of another org to act on instead of the API key's own org. The key's org must have been granted access to it, and the request is refused with 403 FORBIDDEN otherwise. When that access or the API key is read-only, only GET and HEAD requests may carry it. When the target org requires mTLS, so does the request. Leave it out to act on the key's own org. in: header name: Trio-Target-Org-Id required: false schema: format: uuid type: string x-struct: null x-validate: null post: tags: - Pix Keys summary: Creates a new pix key description: Creates a new pix key operationId: TrioFoundationWeb.V2.Pix.KeyController.create parameters: [] requestBody: content: application/json: schema: $ref: '#/components/schemas/V2_Pix_Key_create_payload' description: Pix Key payload required: true responses: '201': content: application/json: schema: $ref: '#/components/schemas/V2_Pix_Key_single_response' description: Key '400': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- Malformed request: a body that is not valid JSON (MALFORMED_REQUEST), or a Trio-Version header that is missing or not the current one (INVALID_TRIO_VERSION). '401': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: Missing or invalid API key credentials (INVALID_CREDENTIALS). '403': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- The API key may not do this (FORBIDDEN): for instance Trio-Target-Org-Id names an org it has no access to, or writes through a read-only access. '422': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- Invalid input (INVALID_PARAMETER, REQUIRED_PARAMETER, or the code of the rule the request breaks). A request outside the operation's schema lists the offending fields in `errors`. '503': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- A service needed to answer is unavailable (TRIO_SERVICE_UNAVAILABLE). callbacks: {} security: - authorization: [] components: schemas: V2_Pix_Key_create_payload: description: Body payload to create a Pix Key example: bank_account_id: 41234d60-f6a9-4c9c-8cc3-5769ce9bb333 key: '12345678900' properties: bank_account_id: $ref: '#/components/schemas/UUID' key: description: Key type: string x-struct: null x-validate: null required: - bank_account_id title: V2 Pix Key create payload type: object x-struct: Elixir.TrioFoundationWeb.Schemas.Banking.V2.Cashin.Key.CreateParams x-validate: null V2_Pix_Key_single_response: description: Pix Key response example: data: bank_account_id: 41234d60-f6a9-4c9c-8cc3-5769ce9bbea2 id: 41234d60-f6a9-4c9c-8cc3-5769ce9bbea2 inserted_at: '2020-01-10T10:00:00Z' key: '12345678900' status: created tax_number: '12345678900' type: tax_number updated_at: '2020-01-10T10:00:00Z' properties: data: $ref: '#/components/schemas/V2_Pix_Key_response' title: V2 Pix Key single response type: object x-struct: Elixir.TrioFoundationWeb.Schemas.Banking.V2.Cashin.Key.Response x-validate: null V2_error: example: error: error_code: INVALID_PARAMETER error_message: 'Invalid parameters: /amount: Invalid integer. Got: string' errors: - field: /amount message: 'Invalid integer. Got: string' properties: error: properties: error_code: description: >- Stable UPPER_SNAKE identifier of the error, for programs and logs. Branch on this, not on the message. type: string x-struct: null x-validate: null error_message: description: Human readable explanation of the error. type: string x-struct: null x-validate: null errors: description: >- Only on INVALID_PARAMETER for a request outside the operation's schema: one entry per offending field. items: properties: field: description: JSON pointer to the field, e.g. /amount. type: string x-struct: null x-validate: null message: description: What is wrong with it. type: string x-struct: null x-validate: null required: - field - message type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - error_code - error_message type: object x-struct: null x-validate: null required: - error title: V2 error type: object x-struct: Elixir.TrioFoundationWeb.Schemas.HTTP.V2Error x-validate: null UUID: description: Unique identifier format: uuid title: UUID type: string x-struct: null x-validate: null V2_Pix_Key_response: description: Pix Key response example: bank_account_id: 41234d60-f6a9-4c9c-8cc3-5769ce9bbea2 id: 41234d60-f6a9-4c9c-8cc3-5769ce9bbea2 inserted_at: '2020-01-10T10:00:00Z' key: '12345678900' status: created tax_number: '12345678900' type: tax_number updated_at: '2020-01-10T10:00:00Z' properties: bank_account_id: description: Bank Account ID format: uuid type: string x-struct: null x-validate: null id: description: Unique identifier type: string x-struct: null x-validate: null inserted_at: description: Inserted at format: date-time type: string x-struct: null x-validate: null key: description: Pix Key key type: string x-struct: null x-validate: null status: description: Pix Key Status type: string x-struct: null x-validate: null tax_number: description: Tax number of the key owner type: string x-struct: null x-validate: null type: description: Pix Key type type: string x-struct: null x-validate: null updated_at: description: Updated at format: date-time type: string x-struct: null x-validate: null title: V2 Pix Key response type: object x-struct: Elixir.TrioFoundationWeb.Schemas.Banking.V2.Cashin.Key.KeyData x-validate: null securitySchemes: authorization: scheme: basic type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.