> ## Documentation Index > Fetch the complete documentation index at: https://docs.stablestack.com/llms.txt > Use this file to discover all available pages before exploring further. # Fetch Fees > API reference for fetching payout fees for Stablecoin and Fiat transactions Retrieves payout fees for both Stablecoin and Fiat transactions. Required parameters differ based on currency\_type (defaults to STABLECOIN). ## OpenAPI ````yaml GET /payouts/fees openapi: 3.0.0 info: title: 'StableStack: API Service' description: "# Overview\n\n## Introduction\n\nStableStack offers an API first, last mile payment orchestration + liquidity router built with stablecoins. Stablecoin layer integrated into your existing payment flow, with smart accounts and blockchain abstraction. Go between digital and fiat currencies in minutes.\n\n## Getting Help\n\nWe're excited to have you build with us! If you're integrating, we will set up a communication channel. This will enable our teams to easily collaborate and ensure you launch as quickly as possible.\n\nPlease reach out to us at\_[hello@stablestack.xyz](https://mailto:hello@stablestack.xyz)\_for any questions or concerns." version: 1.0.0 servers: - url: https://api-staging.stablestack.com/api description: StableStack API security: [] tags: - name: customers - name: customers > kyc - name: payouts - name: banks - name: transactions - name: wallets - name: assets - name: swap paths: /payouts/fees: get: tags: - payouts summary: Fetch fees for Stablecoin or Fiat payouts description: > Retrieves payout fees for both Stablecoin and Fiat transactions. Required parameters differ based on currency_type (defaults to STABLECOIN). parameters: - name: x-api-key in: header schema: type: string required: true example: '' - name: amount in: query description: The amount to calculate fees for required: true schema: type: number format: float example: 500 - name: currency_type in: query description: | Type of currency (STABLECOIN or FIAT). Defaults to STABLECOIN if not specified. schema: type: string enum: - STABLECOIN - FIAT default: STABLECOIN example: FIAT - name: from_currency in: query description: Source currency code (e.g., usdc) required: true schema: type: string enum: - usdc example: usdc - name: network in: query description: | Blockchain network (required for STABLECOIN). Example: erc20, polygon, etc. schema: type: string example: erc20 - name: to_currency in: query description: | Target fiat currency code (required for FIAT). Example: ngn, zar, etc. schema: type: string enum: - usdc - ngn - zar example: ngn - name: market_pair in: query description: Optional filter for FIAT specific market pairs (e.g., usdcngn) schema: type: string enum: - usdcngn - usdczar - usdcusdc example: usdcngn,usdczar, usdcusdc responses: '200': description: OK headers: Content-Security-Policy: schema: type: string example: >- default-src 'self';base-uri 'self';font-src 'self' https: data:;form-action 'self';frame-ancestors 'self';img-src 'self' data:;object-src 'none';script-src 'self';script-src-attr 'none';style-src 'self' https: 'unsafe-inline';upgrade-insecure-requests Cross-Origin-Opener-Policy: schema: type: string example: same-origin Cross-Origin-Resource-Policy: schema: type: string example: same-origin Origin-Agent-Cluster: schema: type: string example: '?1' Referrer-Policy: schema: type: string example: no-referrer Strict-Transport-Security: schema: type: string example: max-age=31536000; includeSubDomains X-Content-Type-Options: schema: type: string example: nosniff X-DNS-Prefetch-Control: schema: type: string example: 'off' X-Download-Options: schema: type: string example: noopen X-Frame-Options: schema: type: string example: SAMEORIGIN X-Permitted-Cross-Domain-Policies: schema: type: string example: none X-XSS-Protection: schema: type: integer example: '0' Vary: schema: type: string example: Origin Access-Control-Allow-Credentials: schema: type: boolean example: 'true' RateLimit-Policy: schema: type: string example: 60;w=60 RateLimit-Limit: schema: type: integer example: '60' RateLimit-Remaining: schema: type: integer example: '59' RateLimit-Reset: schema: type: integer example: '60' Content-Type: schema: type: string example: application/json; charset=utf-8 Content-Length: schema: type: integer example: '119' ETag: schema: type: string example: W/"77-2yoqITbJUHTq3WdWeYPk7g5HjE8" Date: schema: type: string example: Fri, 09 May 2025 15:09:01 GMT Connection: schema: type: string example: keep-alive Keep-Alive: schema: type: string example: timeout=5 content: application/json: schema: type: object examples: stablecoinSuccess: summary: Stablecoin Success Example value: status: success data: fees: currency_type: STABLECOIN fee_type: percentage fee_value: '0.2000' otherFee: currency: usdc network: erc20 fee: '1.00' fiatSuccess: summary: Fiat Success Example value: status: success data: fees: - currency_type: FIAT fee_type: percentage fee_value: '0.2000' from_currency: USDC to_currency: ZAR market_pair: usdczar exchange_rate: '16.6719215' '400': description: Bad Request content: application/json: schema: oneOf: - type: object properties: status: type: string example: failed message: type: string example: Bad Request errors: type: array items: type: object properties: type: type: string example: field value: type: string example: '0.1' msg: type: string example: Amount must be at least 1 path: type: string example: amount location: type: string example: query - type: object properties: status: type: string example: failed message: type: string example: >- Insufficient amount. You need at least 2.10 USDC to proceed. data: type: object properties: minimum_required_amount: type: string example: '2.10' fee: type: string example: '1.105' current_amount: type: string example: '1.00' examples: validationError: value: status: failed message: Bad Request errors: - type: field value: '0.1' msg: Amount must be at least 1 path: amount location: query insufficientAmount: value: status: failed message: >- Insufficient amount. You need at least 2.10 USDC to proceed. data: minimum_required_amount: '2.10' fee: '1.105' current_amount: '1.00' invalidCurrencyType: value: status: failed message: Bad Request errors: - type: field value: crypto msg: currency_type must be either STABLECOIN or FIAT path: currency_type location: query missingNetwork: value: status: failed message: Bad Request errors: - type: field value: null msg: network is required for STABLECOIN transactions path: network location: query missingToCurrency: value: status: failed message: Bad Request errors: - type: field value: null msg: to_currency is required for FIAT transactions path: to_currency location: query ````