> ## Documentation Index > Fetch the complete documentation index at: https://docs.zet.money/llms.txt > Use this file to discover all available pages before exploring further. # Get Swap Quote > Get a quote for swapping tokens. Supports same-chain and cross-chain swaps. Routes are automatically optimized across multiple DEXs and bridges for the best rates. ## OpenAPI ````yaml POST /swap/quote openapi: 3.1.0 info: title: Zet API description: > The Zet API enables businesses to integrate smart on/off ramp, token swap, and cross-chain transfer capabilities into their applications. Built on ERC-4337 smart accounts with gas-sponsored transactions, Zet handles the complexity of blockchain interactions so you can focus on your product. ## Base URL ``` https://api.zet.money/v1 ``` ## Authentication All requests must include your API key in the `x-api-key` header. Contact [zetdotmoney@gmail.com](mailto:zetdotmoney@gmail.com) to obtain your API keys. ## Rate Limits - **60 requests per minute** per API key (default) - Rate limit headers are included in every response - Contact us for higher limits version: 1.0.0 contact: name: Zet Support url: https://zet.money/support email: support@zet.money license: name: Proprietary servers: - url: https://api.zet.money/v1 description: Production - url: https://api-staging.zet.money/v1 description: Staging security: - apiKey: [] tags: - name: Wallets description: Create and manage smart wallets for your users - name: On-Ramp description: Buy crypto with Nigerian Naira (NGN) - name: Off-Ramp description: Sell crypto for Nigerian Naira (NGN) - name: Swap description: Swap tokens on the same chain or across chains - name: Cross-Chain Transfer description: Transfer tokens across different blockchains - name: Webhooks description: Register webhook URLs to receive async event notifications - name: Transactions description: Query transaction history and details paths: /swap/quote: post: tags: - Swap summary: Get swap quote description: > Get a quote for swapping tokens. Supports same-chain and cross-chain swaps. Routes are automatically optimized across multiple DEXs and bridges for the best rates. operationId: getSwapQuote requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/SwapQuoteRequest' responses: '200': description: Swap quote with route details. content: application/json: schema: type: object properties: success: type: boolean example: true data: $ref: '#/components/schemas/SwapQuote' '400': $ref: '#/components/responses/BadRequest' '401': $ref: '#/components/responses/Unauthorized' '429': $ref: '#/components/responses/RateLimited' components: schemas: SwapQuoteRequest: type: object required: - fromToken - toToken - amount properties: fromToken: type: string description: Token symbol to swap from. example: USDC toToken: type: string description: Token symbol to swap to. example: ETH amount: type: string description: Amount of `fromToken` to swap. example: '100' fromChain: $ref: '#/components/schemas/PrimaryChain' default: base toChain: $ref: '#/components/schemas/PrimaryChain' default: base description: >- Target chain. If different from `fromChain`, this becomes a cross-chain swap. slippage: type: number description: Maximum slippage tolerance as a percentage. default: 0.3 example: 0.5 SwapQuote: type: object properties: quoteId: type: string example: qt_01H8X5... fromToken: type: string example: USDC toToken: type: string example: ETH fromChain: $ref: '#/components/schemas/PrimaryChain' toChain: $ref: '#/components/schemas/PrimaryChain' fromAmount: type: string description: Amount of source token. example: '100' toAmount: type: string description: Estimated amount of destination token. example: '0.0285' rate: type: string description: Exchange rate (fromToken per toToken). example: '3508.77' isCrossChain: type: boolean example: false fees: type: object properties: platformFee: type: string description: Zet platform fee (always 50 NGN), converted to source token. example: '0.032' platformFeeFiat: type: string description: Platform fee in NGN. example: '50' bridgeFee: type: string description: Bridge/DEX fee from the routing provider (if cross-chain). example: '0' totalFee: type: string example: '0.013' route: type: object description: Summary of the swap route. properties: steps: type: integer description: Number of steps in the route. example: 1 estimatedTime: type: string description: Estimated execution time. example: 30 seconds providers: type: array items: type: string description: DEX/bridge providers used. example: - DEX V3 expiresAt: type: string format: date-time PrimaryChain: type: string enum: - base - bsc description: Primary chains where Zet-managed wallets operate Error: type: object required: - success - error properties: success: type: boolean example: false error: type: object required: - code - message properties: code: type: string example: INVALID_REQUEST message: type: string example: The 'amount' field is required. responses: BadRequest: description: Invalid request parameters. content: application/json: schema: $ref: '#/components/schemas/Error' example: success: false error: code: INVALID_REQUEST message: The 'amount' field must be a positive number. Unauthorized: description: Missing or invalid API key. content: application/json: schema: $ref: '#/components/schemas/Error' example: success: false error: code: UNAUTHORIZED message: Invalid API key. RateLimited: description: Rate limit exceeded. content: application/json: schema: $ref: '#/components/schemas/Error' example: success: false error: code: RATE_LIMITED message: Rate limit exceeded. Try again in 60 seconds. securitySchemes: apiKey: type: apiKey in: header name: x-api-key description: Your Zet API key. Contact zetdotmoney@gmail.com to obtain your keys. ````