> ## Documentation Index > Fetch the complete documentation index at: https://docs.matambaintelligence.com/llms.txt > Use this file to discover all available pages before exploring further. # Retrieve an application > Returns the application's current state. Once it's `opened`, you can trade for the account in `account`. ## OpenAPI ````yaml /openapi.json get /v1/applications/{id} openapi: 3.1.0 info: title: Matamba Gateway version: '1' description: >- Open brokerage accounts for your customers, fund them from your wallet, place and track orders, and read each account's records at the broker. All amounts are integers in kobo, and every error includes a `code` you can use in your logic. servers: - url: https://{host} description: The sandbox and live environments each have their own host and API keys. variables: host: default: sandbox-host.invalid description: We send you the host along with your API keys. security: - bearer: [] tags: - name: Accounts description: The accounts you can trade for, and the broker's records for each one. - name: Orders description: >- Estimate, place, retrieve and cancel orders. We store each order before we send it to the exchange, and we send it only once. - name: Events description: >- Each change to your orders creates an event. We send the same event bodies to your webhook endpoint. See [Webhooks](/webhooks) for how to verify them. - name: Applications description: Open a brokerage account for your customer. - name: Reference description: Code lists from the broker that you use in account applications. - name: Wallet description: >- Your wallet, and the allocations you make from it to your customers' accounts. paths: /v1/applications/{id}: get: tags: - Applications summary: Retrieve an application description: >- Returns the application's current state. Once it's `opened`, you can trade for the account in `account`. operationId: getApplication parameters: - $ref: '#/components/parameters/ApplicationId' responses: '200': $ref: '#/components/responses/Application' '401': $ref: '#/components/responses/Error' description: '`unauthorized`' '404': $ref: '#/components/responses/Error' description: '`application_not_found`' '429': $ref: '#/components/responses/Error' description: '`rate_limited`' '500': $ref: '#/components/responses/Error' description: '`internal_error`' '503': $ref: '#/components/responses/Error' description: '`service_unavailable`' components: parameters: ApplicationId: name: id in: path required: true description: The application's `id`. schema: type: string responses: Application: description: An application. headers: x-request-id: $ref: '#/components/headers/RequestId' Cache-Control: $ref: '#/components/headers/CacheControl' content: application/json: schema: $ref: '#/components/schemas/Application' examples: submitted: summary: Submitted to the broker value: object: application id: app_3rbw6yq2kd5mz7tcxf4n state: submitted reference: KYC000001 account: null reason: null reject_reason: null param: null created_at: '2026-09-25T05:58:40Z' updated_at: '2026-09-25T05:58:40Z' opened: summary: Opened value: object: application id: app_3rbw6yq2kd5mz7tcxf4n state: opened reference: KYC000001 account: '1000000001' reason: null reject_reason: null param: null created_at: '2026-09-25T05:58:40Z' updated_at: '2026-09-25T06:04:10Z' Error: description: >- An error. Use `error.code` in your logic. A path that doesn't exist returns 404 `not_found`, and a method the path doesn't support returns 405 `method_not_allowed` with an `Allow` header. headers: x-request-id: $ref: '#/components/headers/RequestId' Cache-Control: $ref: '#/components/headers/CacheControl' Retry-After: $ref: '#/components/headers/RetryAfter' WWW-Authenticate: $ref: '#/components/headers/WWWAuthenticate' Allow: $ref: '#/components/headers/Allow' content: application/json: schema: $ref: '#/components/schemas/Error' headers: RequestId: description: A unique identifier for this request. Include it when you contact us. schema: type: string CacheControl: description: Always `no-store`. schema: type: string const: no-store RetryAfter: description: >- The number of seconds to wait before you retry. Sent with 429 (`1`) and with 503 `settlement_lockout` (`60`). schema: type: integer WWWAuthenticate: description: 'Sent with 401: `Bearer realm="Matamba Gateway"`.' schema: type: string Allow: description: Sent with 405. Lists the methods the path supports. schema: type: string schemas: Application: type: object required: - object - id - state - reference - account - reason - reject_reason - param - created_at - updated_at properties: object: type: string const: application id: type: string description: Unique identifier for the application. Starts with `app_`. state: type: string description: >- `sending`: stored, and the send is in progress. `submitted`: the broker accepted it. `opened`: `account` is the new account, and you can trade for it. `uncertain`: we don't know whether the broker received it. We don't send it again; we reconcile it with the broker. `rejected`: see `reject_reason` and `param`. `refused`: it never reached the broker. `unplaced`: we found that the broker never had it. enum: - sending - submitted - opened - uncertain - rejected - refused - unplaced reference: type: - string - 'null' description: >- The broker's reference for the application, once the broker has accepted it. account: type: - string - 'null' description: The account code, once the account is opened. reason: type: - string - 'null' description: >- A sentence explaining the application's current state. It's for people to read, so don't use it in your logic. reject_reason: type: - string - 'null' description: >- Why the application was rejected. Set only when `state` is `rejected`. enum: - invalid_field - already_at_broker - rejected_by_broker - declined_by_broker - null param: type: - string - 'null' description: >- The field that caused the rejection, when the rejection names one. Never includes the field's value. created_at: type: string format: date-time updated_at: type: string format: date-time Error: type: object required: - error properties: error: type: object required: - type - code - message - doc_url properties: type: type: string description: The category of the error. enum: - authentication_error - invalid_request_error - idempotency_error - order_error - application_error - wallet_error - limit_error - rate_limit_error - api_error code: type: string description: The error code. Use it in your logic; it doesn't change. enum: - unauthorized - not_found - method_not_allowed - unsupported_media_type - request_too_large - invalid_request - missing_required_field - unknown_account - duplicate_order - order_not_found - exchange_unavailable - order_not_sent - order_rejected - similar_order_unresolved - order_not_cancelable - cancel_unconfirmed - settlement_lockout - account_not_at_broker - exchange_error - application_rejected - duplicate_application - application_not_found - application_not_sent - wallet_too_low - allocation_rejected - duplicate_allocation - allocation_not_found - allocation_not_sent - rate_limited - unknown_symbol - limit_exceeded - service_unavailable - internal_error message: type: string description: >- A human-readable description of the error, for your logs. The wording can change. param: type: string description: >- The field, parameter or header that caused the error. Absent when the error isn't tied to a single field. reject_reason: type: string description: >- Why the exchange or broker rejected the request. Included with `order_rejected`, `application_rejected` and `allocation_rejected`, and takes the same values as the `reject_reason` field on the order, application or allocation. doc_url: type: string format: uri description: A link to the documentation for this error code. securitySchemes: bearer: type: http scheme: bearer description: >- `Authorization: Bearer `. Sandbox keys start with `mgw_test_` and live keys start with `mgw_live_`. Each key works only in its own environment, and a live key works only from the IP addresses or ranges registered for it. ````