Catalog
CryptoPOSTlive

Multi-chain JSON-RPC

Send a standard JSON-RPC call to 130+ chains (Ethereum, Base, Solana, Polygon, Arbitrum, Optimism and more) through one paid endpoint.

$0.001
per call
Success
100%
p50 latency
1.46s
p95 latency
4.11s
Calls (30d)
4

Provider contract

Call path
/routes/
quicknodedefault
/crypto/rpc
Method
POST
Selected provider
quicknodedefault
Provider price
$0.001
Settlement
Base USDC · x402 · 5% h402 fee

Quickstart

Both commands call the selected provider directly.

cURL
curl -X POST '/routes/quicknode/crypto/rpc' \
  -H 'content-type: application/json' \
  -d '{"network":"base-mainnet","jsonrpc":"2.0","method":"eth_blockNumber","id":1}'
CLI
h402 call 'crypto/rpc' --provider 'quicknode' --method POST --json '{"network":"base-mainnet","jsonrpc":"2.0","method":"eth_blockNumber","id":1}'

Parameters & live test

pays real USDC
quicknodedefault$0.0010/call

Fill the request fields, quote the exact per-call total, then choose x402 or eligible bonus credit explicitly before sending. Only the selected provider's listed parameters are accepted.

networkstringrequired≥ 1 chars

QuickNode network slug used in the request path.

e.g.
jsonrpcstringrequired

JSON-RPC protocol version.

methodstringrequired≥ 1 chars

Chain RPC method.

e.g.
paramsarrayoptional

Method-specific positional params.

idintegerrequired

Caller-chosen JSON-RPC request id.

e.g.
POST/routes/quicknode/crypto/rpc
Request body
{
  "network": "base-mainnet",
  "jsonrpc": "2.0",
  "method": "eth_blockNumber",
  "id": 1
}

ResponseExample response
{
  "data": {
    "jsonrpc": "2.0",
    "id": 1,
    "result": "0x2eb3fc7"
  },
  "h402": {
    "routeId": "crypto/rpc",
    "provider": "quicknode",
    "selectedCandidateId": "crypto/rpc/quicknode",
    "routing": "manual",
    "paidBy": "x402-exact"
  }
}

Providers

Choose a provider for this task. The catalog recommends the current default from quality, reliability, and price; your selected provider stays pinned. Listed prices are provider prices; settlement adds a 5% h402 fee.

quicknodedefaultcheapest
x402
100
Success
100%
p50
3.32s
Calls
2
100%
$0.001$0.0010/call
blockrun-tatum
x402
100
Success
100%
p50
1.43s
Calls
2
100%
$0.004$0.0020/call
Last successful call: 27d ago· Aggregated by h402 — not the source provider