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    • Unizen Overview
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  • API - Introduction
    • Introduction
    • Before you get started
      • Understanding Price Impact and Price Slippage in Token Swaps
      • Token Allowance Management for Non-updatable Allowance Tokens
      • Tokens with taxes
      • Wrapping and Unwrapping Native Tokens
      • Quote expiration deadline
    • Security Best Practices for Integrating Unizen
      • Why disable CORS
      • How to integrate with a reverse proxy
    • Version 2 of our smart contracts
      • Migration to smart contract v2
  • API - GET STARTED
    • QuickStart guide
    • Swagger
    • 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
    • What is Permit2?
    • Usage in our api
  • WIDGET - Get Started
    • Embed the Unizen Widget
    • Playground
  • Other
    • Smart Contracts
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    • Roadmap
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  1. API - GET STARTED
  2. Gasless orders

POST /trade/v1/gasless/typed-data

PreviousGasless ordersNextPOST /v1/gasless/estimate

Last updated 2 months ago

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Endpoint to get the typed data needed to be signed by the user

post
Authorizations
Body
transactionDataobjectRequired

The transactionData object obtained from the /quote API.

senderstringRequired

Address of the sender

Example: 0xF0Fbf42C54Ac40dA016003baD35E5AefaC6E1CE1
receiverstringRequired

Address of the receiver of the funds after the trade

Example: 0xF0Fbf42C54Ac40dA016003baD35E5AefaC6E1CE1
chainIdnumberRequired

Chain code where the trade is conducted

Example: 56
Responses
200
Result of the gasless order creation
application/json
post
POST /trade/v1/gasless/typed-data HTTP/1.1
Host: 
Authorization: Bearer Bearer
Content-Type: application/json
Accept: */*
Content-Length: 145

{
  "transactionData": {},
  "sender": "0xF0Fbf42C54Ac40dA016003baD35E5AefaC6E1CE1",
  "receiver": "0xF0Fbf42C54Ac40dA016003baD35E5AefaC6E1CE1",
  "chainId": 56
}
200

Result of the gasless order creation

{
  "account": "0xF0Fbf42C54Ac40dA016003baD35E5AefaC6E1CE1",
  "domain": {},
  "types": {},
  "primaryType": "UnizenGasLessOrder",
  "message": {},
  "call": {}
}