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POST
/
sdk
/
{environmentId}
/
evm
/
sponsorTransaction
Sponsor an EVM transaction via gasless relay
curl --request POST \
  --url https://app.dynamicauth.com/api/v0/sdk/{environmentId}/evm/sponsorTransaction \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "calls": [
    {
      "data": "<string>",
      "target": "<string>",
      "value": "<string>"
    }
  ],
  "chainId": 123,
  "deadline": "<string>",
  "nonce": "<string>",
  "signature": "<string>",
  "relayer": "<string>",
  "walletAddress": "<string>"
}
'
{
  "requestId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}

Documentation Index

Fetch the complete documentation index at: https://www.dynamic.xyz/docs/llms.txt

Use this file to discover all available pages before exploring further.

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

​
environmentId
string
required

ID of the environment

Required string length: 36
Pattern: ^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$
Example:

"95b11417-f18f-457f-8804-68e361f9164f"

Body

application/json

Request to sponsor an EVM transaction via gasless relay

​
calls
object[]
required

Array of calls to execute

​
chainId
integer
required

Target chain ID

​
deadline
string
required

Unix timestamp deadline for the intent

​
nonce
string
required

Nonce for the intent signature

​
signature
string
required

Hex-encoded EIP-712 intent signature

Pattern: ^0x[a-fA-F0-9]*$
​
relayer
string
required

Relayer contract address (signed as relayer in EIP-712 intent)

Pattern: ^0x[a-fA-F0-9]{40}$
​
walletAddress
string
required

User wallet address

Pattern: ^0x[a-fA-F0-9]{40}$
​
authorization
object

Optional EIP-7702 authorization for first-time delegation

Response

Relay request created

Response containing the relay request ID

​
requestId
string<uuid>
required

Unique request ID for tracking the relayed transaction