alchemy_requestFeePayer

POST

/{apiKey}

Requests fee and rent sponsorship for a Solana transaction and returns the fully-signed serializedTransaction (now containing the fee-payer signature).

We support rent sponsorship for createAccount and createAssociatedTokenAccount programs. If you need support for sponsoring rent in custom programs, please contact us at [email protected].

Path Parameters

stringrequireddefaults to docs-demo

For higher throughput, create your own API key

Request

objectrequired

Object containing the policy ID and the unsigned serialized transaction.

Responses

200

Object containing the fully-signed transaction ready for sendRawTransaction.

POST/v2/{apiKey}

curl --request POST \  --url https://solana-mainnet.g.alchemy.com/v2/docs-demo \  --header 'Content-Type: application/json' \  --data '{  "jsonrpc": "2.0",  "id": 1,  "method": "alchemy_requestFeePayer",  "params": [    {      "policyId": "69d524a7-e932-4214-8673-dcdcba31bb42",      "serializedTransaction": "AgICAQMEBQYHCAkKCwwNDg8BCg=="    }  ]}'

200Success

{  "jsonrpc": "2.0",  "id": 1,  "result": {    "serializedTransaction": "AQIDBAUGBwgJCgsMDQ4PEA=="  }}

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alchemy_requestFeePayer

Path Parameters

apiKey

Request

params[0]

Responses

200