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POST
/
sdk
/
{environmentId}
/
solana
/
sponsorTransaction
Sponsor a Solana transaction via Grid API
curl --request POST \
  --url https://app.dynamicauth.com/api/v0/sdk/{environmentId}/solana/sponsorTransaction \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "transaction": "<string>"
}
'
{
  "transaction": "<string>"
}

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 a Solana transaction via Grid API

​
transaction
string
required

Base64 encoded unsigned Solana transaction (versioned transaction format)

Pattern: ^[A-Za-z0-9+/]+={0,2}$

Response

Sponsored transaction

Response containing the sponsored Solana transaction

​
transaction
string

Base64 encoded transaction with Grid as the fee payer

Last modified on January 28, 2026