alchemy_requestFeePayer
Requests fee sponsorship for a Solana transaction and returns the updated serializedTransaction with the paymaster fee payer set and signed.
On every sponsored request, any top-level SystemProgram.createAccount and Associated Token Program Create/CreateIdempotent instructions are rewritten so the paymaster funds them directly. For CPI-driven account creation, opt into rent prefunding with prefundRent: true; policies using prefundRent must set maxSpendPerTxnUsd.
CPI rent prefunding is allowlisted. Contact [email protected] for access.
If a transaction depends on state from one you just sent, call sendTransaction with preflightCommitment: "confirmed", or skipPreflight: true to skip preflight entirely.
