> ## Documentation Index > Fetch the complete documentation index at: https://docs.eco.com/llms.txt > Use this file to discover all available pages before exploring further. # Get Exact Out Quotes > Retrieve exact out quotes from solvers for a cross-chain token swap. Returns detailed pricing, fees, contract addresses, and estimated fulfillment time for the requested swap. ## OpenAPI ````yaml /openapi.json post /api/v3/quotes/exactOut openapi: 3.0.0 info: title: Eco Routes API description: Eco Routes API documentation version: '1.0' contact: {} servers: - url: https://quotes.eco.com description: Production - url: https://quotes-preprod.eco.com description: Preproduction - url: https://quotes.staging.eco.com description: Staging - url: http://localhost:3000 description: Local security: [] tags: [] paths: /api/v3/quotes/exactOut: post: tags: - Quotes V3 summary: Get Exact Out Quotes description: >- Retrieve exact out quotes from solvers for a cross-chain token swap. Returns detailed pricing, fees, contract addresses, and estimated fulfillment time for the requested swap. operationId: QuotesV3Controller_getQuotes parameters: [] requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/QuotesRequestV3DTO' responses: '200': description: >- Successfully retrieved exact out quotes with pricing and execution details content: application/json: schema: $ref: '#/components/schemas/QuotesResponseV3DTO' components: schemas: QuotesRequestV3DTO: type: object properties: dAppID: type: string description: Unique identifier for the client application making the request example: my-dapp intentExecutionTypes: type: array description: Array of intent execution types to fetch quotes for example: - SELF_PUBLISH items: type: string enum: - SELF_PUBLISH - GASLESS quoteRequest: description: >- Cross-chain token swap request details including source/destination tokens and addresses allOf: - $ref: '#/components/schemas/QuoteRequestV3DTO' contracts: description: >- Optional contract addresses to use for the cross-chain swap (will use defaults if not specified) allOf: - $ref: '#/components/schemas/QuotesV3RequestContractsDTO' required: - dAppID - intentExecutionTypes - quoteRequest QuotesResponseV3DTO: type: object properties: data: description: Array of solver quote responses type: array items: $ref: '#/components/schemas/SolverQuoteV2ResponseDTO' required: - data QuoteRequestV3DTO: type: object properties: sourceChainID: type: number description: Chain ID of the source network where tokens will be sent from example: 1 destinationChainID: type: number description: Chain ID of the destination network where tokens will be received example: 42161 sourceToken: type: string description: Contract address of the token being sent on the source chain example: '0xA0b86a33E6441e45C3b9d1C3D6a0b5be4b7b5b5a' destinationToken: type: string description: >- Contract address of the token to be received on the destination chain example: '0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8' sourceAmount: type: string description: >- Amount of source tokens to send, specified as a string representation of a bigint example: '1000000' funder: type: string description: Address that will provide the tokens and pay for the transaction example: '0x742d35Cc6527C92b4A1F3a2a8b1c9b3e8c4c5b2a' refundRecipient: type: string description: >- Address to receive refunds if the intent fails (defaults to funder if not specified) example: '0x742d35Cc6527C92b4A1F3a2a8b1c9b3e8c4c5b2a' recipient: type: string description: Address that will receive the tokens on the destination chain example: '0x8Ba1c0a8B4A4b9e8A9f1a6B7c8d9e0F1234567890' required: - sourceChainID - destinationChainID - sourceToken - destinationToken - sourceAmount - funder - recipient QuotesV3RequestContractsDTO: type: object properties: sourcePortal: type: string description: >- Contract address for the intent source (where intents are created and managed) example: '0x1234567890abcdef1234567890abcdef12345678' destinationPortal: type: string description: >- Contract address for the inbox (receives and processes cross-chain messages) example: '0x567890abcdef1234567890abcdef1234567890ab' prover: type: string description: >- Contract address for the prover (handles cross-chain proof verification) example: '0xabcdef1234567890abcdef1234567890abcdef12' SolverQuoteV2ResponseDTO: type: object properties: quoteID: type: string solverID: type: string receiveSignedIntentUrl: type: string quoteData: $ref: '#/components/schemas/SolverQuoteDataV2DTO' required: - quoteID - solverID - receiveSignedIntentUrl - quoteData SolverQuoteDataV2DTO: type: object properties: quoteResponse: description: >- Detailed quote information including tokens, amounts, fees, and timing allOf: - $ref: '#/components/schemas/QuoteResponseDataV3DTO' contracts: description: Contract addresses required for executing this cross-chain swap allOf: - $ref: '#/components/schemas/QuoteV3ResponseContractsDTO' required: - contracts QuoteResponseDataV3DTO: type: object properties: intentExecutionType: type: string enum: - SELF_PUBLISH - GASLESS description: The execution type for this quote entry example: SELF_PUBLISH sourceChainID: type: number description: Chain ID of the source network where tokens will be sent from example: 1 destinationChainID: type: number description: Chain ID of the destination network where tokens will be received example: 42161 sourceToken: type: string description: Contract address of the token being sent on the source chain example: '0xA0b86a33E6441e45C3b9d1C3D6a0b5be4b7b5b5a' destinationToken: type: string description: >- Contract address of the token to be received on the destination chain example: '0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8' sourceAmount: type: string description: >- Amount of source tokens to send, as a string representation of a bigint example: '1000000' destinationAmount: type: string description: >- Amount of destination tokens to be received, as a string representation of a bigint example: '995000' funder: type: string description: Address that will provide the tokens and pay for the transaction example: '0x742d35Cc6527C92b4A1F3a2a8b1c9b3e8c4c5b2a' refundRecipient: type: string description: Address to receive refunds if the intent fails example: '0x742d35Cc6527C92b4A1F3a2a8b1c9b3e8c4c5b2a' recipient: type: string description: Address that will receive the tokens on the destination chain example: '0x8Ba1c0a8B4A4b9e8A9f1a6B7c8d9e0F1234567890' fees: description: >- Array of fees that will be charged for executing this cross-chain swap type: array items: $ref: '#/components/schemas/FeeV3DTO' deadline: type: number description: >- Unix timestamp (in seconds) after which this quote expires and cannot be executed example: 1672531200 estimatedFulfillTimeSec: type: number description: Estimated time in seconds for the cross-chain swap to be completed example: 300 encodedRoute: type: string description: ABI-encoded route data for onchain intent execution example: >- 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 required: - intentExecutionType - sourceChainID - destinationChainID - sourceToken - destinationToken - sourceAmount - destinationAmount - funder - refundRecipient - recipient - fees - deadline - estimatedFulfillTimeSec - encodedRoute QuoteV3ResponseContractsDTO: type: object properties: sourcePortal: type: string description: >- Contract address for the intent source (where intents are created and managed) example: '0x1234567890abcdef1234567890abcdef12345678' destinationPortal: type: string description: >- Contract address for the inbox (receives and processes cross-chain messages) example: '0x567890abcdef1234567890abcdef1234567890ab' prover: type: string description: >- Contract address for the prover (handles cross-chain proof verification) example: '0xabcdef1234567890abcdef1234567890abcdef12' required: - sourcePortal - destinationPortal - prover FeeV3DTO: type: object properties: name: type: string description: Name identifier for the fee type example: Solver Fee description: type: string description: Human-readable description of what this fee covers example: Fee paid to the solver for executing the cross-chain swap token: description: Token information for the fee payment allOf: - $ref: '#/components/schemas/TokenInfoV3DTO' amount: type: string description: Fee amount as a string representation of a bigint example: '1000' required: - name - description - token - amount TokenInfoV3DTO: type: object properties: address: type: string description: Contract address of the token example: '0xA0b86a33E6441e45C3b9d1C3D6a0b5be4b7b5b5a' decimals: type: number description: Number of decimal places for the token example: 6 symbol: type: string description: Token symbol or ticker example: USDC required: - address - decimals - symbol ````