> ## Documentation Index > Fetch the complete documentation index at: https://docs.breet.io/llms.txt > Use this file to discover all available pages before exploring further. # Swap Fiat Currency > Swap fiat balance between NGN and GHS in either direction. The `from` and `to` currencies must be different. ## OpenAPI ````yaml /api-reference/openapi.json post /payments/swap-currency openapi: 3.0.0 info: title: BREET PUBLIC API version: 1.0.0 license: name: Proprietary url: https://breet.io/terms servers: - url: https://api.breet.io/v1 security: - appId: [] appSecret: [] breetEnv: [] tags: - name: Crypto Wallet description: Generate and manage crypto wallet addresses for receiving deposits. x-group: Wallets and Deposits - name: Withdrawals description: >- ## Withdrawals To help protect your funds, withdrawals support an additional security layer through **IP whitelisting**. ### IP Whitelisting When IP whitelisting is enabled, all withdrawal requests must originate from an approved IP address. Any withdrawal request coming from an IP not on the whitelist will be automatically blocked. You can add up to **7 IP addresses** from your dashboard. This feature is recommended for: - Production servers - Preventing unauthorized withdrawal attempts ### How it works - Enable IP whitelisting from your dashboard - Add up to 7 trusted IP addresses - Only requests from those IPs will be allowed to initiate withdrawals If IP whitelisting is disabled, withdrawals can be initiated from any IP address. - name: Banks description: List, validate, add, and remove bank accounts for fiat withdrawals. - name: Transactions description: Retrieve deposit and trade transaction history. - name: Webhooks description: >- Inspect and retry **outgoing** webhooks we send to your server (trade and withdrawal events). Requires an active integration with API access (VIP partners). For **incoming** payload shapes and verification, see the Webhooks guide in the Guides tab. - name: Assets description: >- Retrieve the list of supported deposit/sell assets and their configuration. - name: Rates and Prices description: >- Get live market prices and calculate conversion rates. These endpoints are public and do not require authentication. - name: Account description: Retrieve and update integration account details and preferences. - name: Testing description: Endpoints for testing your integration in development. - name: Conversion description: >- Convert between USD and local fiat (NGN | GHS). Available for both user and integration (business) flows. - name: Wallet addresses description: >- Add and remove withdrawal (payout) wallet addresses. If the same address, network, and token are sent with a different label, the existing address is updated. paths: /payments/swap-currency: post: tags: - Payments summary: Swap Fiat Currency description: >- Swap fiat balance between NGN and GHS in either direction. The `from` and `to` currencies must be different. operationId: swapCurrency requestBody: content: application/json: schema: type: object required: - amount - from - to - pin properties: amount: type: number description: Amount in the `from` currency to swap. example: 5000 from: type: string enum: - ngn - ghs description: Currency to swap from. Must differ from `to`. example: ngn to: type: string enum: - ngn - ghs description: Currency to swap into. Must differ from `from`. example: ghs pin: type: string description: Transaction PIN. example: '1234' examples: ngnToGhs: summary: NGN to GHS value: amount: 5000 from: ngn to: ghs pin: '1234' ghsToNgn: summary: GHS to NGN value: amount: 200 from: ghs to: ngn pin: '1234' responses: '200': description: Swap completed successfully content: application/json: example: message: currency swap successful success: true data: {} '400': description: Bad request (e.g. insufficient balance, same currency) content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: insufficientBalance: summary: Insufficient balance value: success: false message: insufficient balance meta: {} errors: [] data: {} sameCurrency: summary: Same currency value: success: false message: from and to cannot be the same currency meta: {} errors: [] data: {} '401': $ref: '#/components/responses/Unauthorized' '422': $ref: '#/components/responses/ValidationError' '500': $ref: '#/components/responses/InternalServerError' components: schemas: ErrorResponse: type: object required: - success - message properties: success: type: boolean enum: - false message: type: string meta: type: object errors: type: array items: type: object data: type: object responses: Unauthorized: description: Invalid or missing API credentials content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' examples: notAuthenticated: summary: Missing credentials value: success: false message: you're not authenticated meta: {} errors: [] data: {} wrongCredentials: summary: Invalid app ID or secret value: success: false message: wrong app id and secret combination meta: {} errors: [] data: {} ValidationError: description: >- Request validation failed — check the errors array for field-level details content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: success: false message: validation errors meta: {} errors: - message: Invalid value field: amount location: body data: {} InternalServerError: description: An unexpected server error occurred content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' example: success: false message: something went wrong! meta: {} errors: [] data: {} securitySchemes: appId: type: apiKey in: header name: x-app-id description: Your application ID from the Breet dashboard appSecret: type: apiKey in: header name: x-app-secret description: Your application secret from the Breet dashboard breetEnv: type: apiKey in: header name: X-Breet-Env description: 'Environment selector: development or production' ````