Solana RPC · Transactions

POST sendTransaction

Submit a signed transaction to the cluster.

Endpoint

POST  https://solrpc.infinityblocks.io/<API_KEY>

Standard Solana JSON-RPC 2.0 over HTTP POST. The API key is part of the URL path.

Parameters

ParamTypeRequiredDescription
transactionstringyesFully-signed transaction, base-64 (or base-58).
configobjectnoencoding, skipPreflight, preflightCommitment, maxRetries.

Request

curl -s https://solrpc.infinityblocks.io/<API_KEY> \
  -X POST -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"sendTransaction","params":["<SIGNED_TX_BASE64>",{"encoding":"base64","skipPreflight":false,"preflightCommitment":"confirmed","maxRetries":5}]}'

With @solana/web3.js

const sig = await rpc.sendRawTransaction(signedTx.serialize());
// or: await sendAndConfirmTransaction(rpc, tx, [signer]);

Response

{ "jsonrpc": "2.0", "id": 1, "result": "5j7s...signature...QYBHwU5ovjLdT4jYPY9oqwLixHRj" }

Try it

Run sendTransactionlive · POST

Replace placeholders (e.g. <ADDRESS>) with real values. Your key is stored only in this browser.

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