Robinhood Chain: tokenized stock and on-chain data, call JSON-RPC and Data API with one key →

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Ethereum Sepolia RPC and Data API

EVM-compatible

Endpoints

JSON-RPC (Path Key)
https://api.blockvectra.com/v1/eth_sepolia/{api_key}
JSON-RPC (Header: x-api-key)
https://api.blockvectra.com/v1/eth_sepolia
x-api-key: {api_key}
Data API
https://api.blockvectra.com/v1/data/eth_sepolia
x-api-key: {api_key}
Keyless Public Endpoint
Public Endpoint
https://api.blockvectra.com/v1/eth_sepolia/public
Rate Limit: 3 req/s per IP, burst 20, batch max 10
Send Transaction Limit: 1 req/s per IP, burst 3
Try without registration. For higher rate limits, Data API, or WebSocket, please register for free.
Get API Key Quickstart Try in Playground

Quick Example

curl -X POST https://api.blockvectra.com/v1/eth_sepolia \
  -H "Content-Type: application/json" \
  -H "x-api-key: {api_key}" \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'

Chain Facts

Chain ID11155111

Limits

State History Window—
eth_getLogs Max Block Range1,000 blocks
Method Policy
Allow: eth_blobBaseFee, eth_blockNumber, eth_call, eth_chainId, eth_createAccessList, eth_estimateGas, eth_feeHistory, eth_gasPrice, eth_getBalance, eth_getBlockByHash, eth_getBlockByNumber, eth_getBlockReceipts, eth_getBlockTransactionCountByHash, eth_getBlockTransactionCountByNumber, eth_getCode, eth_getLogs, eth_getProof, eth_getStorageAt, eth_getTransactionByBlockHashAndIndex, eth_getTransactionByBlockNumberAndIndex, eth_getTransactionByHash, eth_getTransactionCount, eth_getTransactionReceipt, eth_maxPriorityFeePerGas, eth_sendRawTransaction, eth_syncing, net_version, web3_clientVersion, web3_sha3
Deny: eth_newFilter, eth_newBlockFilter, eth_newPendingTransactionFilter, eth_getFilterLogs, eth_getFilterChanges, eth_uninstallFilter, eth_subscribe, eth_unsubscribe

View Method Policy Documentation →

Data API

Blocks Transactions Address Transactions Transfers Token Metadata Data Freshness

Check the chain's data freshness

curl -s "https://api.blockvectra.com/v1/data/eth_sepolia/status/freshness" -H "x-api-key: {api_key}"

View Datasets Guide →

View Data API Documentation →

Status

Pricing

Get 30,000,000 CU on sign-up, refilled every 30 days (balances and rate limits are pooled across chains; no credit card required); priced per million calls: eth_blockNumber $0.10, eth_call $1.50, eth_getLogs $3.00.

View Pricing Plans →

See the free plan and pricing →