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    • Introduction
    • Before you get started
      • Understanding Price Impact and Price Slippage in Token Swaps
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    • QuickStart guide
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    • Information endpoints
      • GET /trade/v1/info/chains
      • GET /trade/v1/info/sources
      • GET/v1/info/cross-providers
      • GET /trade/v1/info/token/search
      • GET /v1/info/token/popular
      • GET /trade/v1/info/token/{chainId}/{tokenAddress}
      • GET /trade/v1/info/tokenLogo/{chainId}/{tokenAddress}
      • GET /info/thorchain-inbound-address
      • GET /trade/v1/info/tx/{txHash}
      • GET /trade/v1/info/trade/{chainId}/{txHash}
      • GET /trade/v1/info/trades
    • Approval
      • GET /trade/v1/{chainId}/approval/spender
      • GET /trade/v1/{chainId}/approval/transaction
      • GET /trade/v1/{chainId}/approval/allowance
    • Single-Chain Swap
      • GET /trade/v1/{chainId}/quote/single
      • GET /trade/v1/{chainId}/swap/single
      • Send transaction in evm chains
      • Send transaction in Solana
    • Cross-Chain Swap
      • GET /trade/v1/{chainId}/quote/cross
      • GET /trade/v1/{chainId}/swap/cross
      • Send transaction
    • Gasless orders
      • POST /trade/v1/gasless/typed-data
      • POST /v1/gasless/estimate
      • POST /v1/gasless/create
      • POST /v1/gasless/cancel
      • GET /trade/v1/gasless/status/{orderId}
      • GET /v1/gasless/orderByAddress/{address}
    • UTXO Assets and Cosmos Swap
      • GET /trade/v1/{chainId}/quote/cross 1
      • GET /trade/v1/{chainId}/swap/cross
      • Sending transactions
    • Efficient Quote Retrieval with Batch Processing
      • GET /trade/v1/{chainId}/batch_quote/single
    • Error Messages
  • GASLESS TRADES
    • Obtaining gasless quotes
    • Gas estimation
    • Executing the trade
    • Following the orders
  • On-Chain Contracts - Get Started
    • Integration with Unizen Contracts for Token Swapping
    • Registering Errors on Smart Contract Calls
  • PERMIT2
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    • Usage in our api
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  1. GASLESS TRADES

Gas estimation

Gas Estimation for Gasless Quotes

To retrieve the gas estimation for a gasless quote, use the following endpoint:

Endpoint:

/v1/gasless/estimate


Description

This endpoint provides an estimate of the gas costs associated with executing a gasless quote. It helps you understand the gas fee that will be covered by the system on behalf of the user.


Usage Example

Request:

POST /v1/gasless/estimate
Content-Type: application/json
{
  "parameters": {
    // Add necessary parameters for estimation
  }
}

Success response:

1137450 // estimate of the gas costs associated with executing a gasless quote

Error Response:

{
    "status": 500,
    "message": "Internal Server Error",
    "requestId": "6b130836-3b52-4035-8399-464cdd78bc2f",
    "error": {
        "error": "Internal Server Error",
        "description": "execution reverted: ERC20: transfer amount exceeds balance\n",
        "statusCode": 500,
        "meta": []
    }
}

Key Points

  • Gas Coverage: The gas fees are paid by the system for gasless trades, and this endpoint helps estimate the cost.

  • Parameters: Ensure all required parameters are included in the request for accurate estimation.

For further details, refer to the full API documentation.

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Last updated 4 months ago

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