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Alchemy JSON-RPC EVM Gateway
rpcjson-rpcnftevmmultichainblockchain
Alchemy JSON-RPC EVM Gateway is a paid API for AI agents from Alchemy at mpp.alchemy.com, paid per call via MPP, $0.001000/call, status unknown (last checked 2026-10-13).
Executes JSON-RPC calls (eth_* and alchemy_* methods) against EVM-compatible blockchain networks via Alchemy's multichain node infrastructure
Price / call$0.001000
Success—
StatusUnknown
How this service works
JSON-RPC call (eth_*, alchemy_*)
Output
Returns a JSON-RPC response object containing the result field with the requested on-chain data — such as a balance in hex wei, a transaction object, block data, logs array, gas estimate, or contract return value — or an error object with code and message if the call failed.
Example use cases
Monitor wallet balances across multiple chains
“Check the ETH balance for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on both Ethereum and Polygon mainnet, then compare the totals for me.”
Simulate smart contract transactions before sending
“Simulate calling the transfer function on a USDC contract with 100 tokens to 0x742d35Cc6634C0532925a3b844Bc9e7595f42bE on Ethereum, and tell me if it would succeed without actually broadcasting it.”
Track pending transactions in the mempool
“Get the current pending transaction pool data on Ethereum mainnet and show me any transactions from my wallet that are waiting to be mined.”
Technical details
Endpoint
POSThttps://mpp.alchemy.com/:network/v2?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need raw, low-level EVM blockchain data across any of Alchemy's 100+ supported chains — particularly when you need standard eth_* RPC methods, Alchemy-enhanced alchemy_* methods, or need to query smart contract state, transaction history, balances, or gas estimates. Prefer this over higher-level NFT or Portfolio APIs when you need direct node access, custom contract calls, or methods not covered by specialized APIs.
Side effects
- Invalid JSON-RPC method name returns error code -32601 (method not found)
- Invalid or missing parameters return error code -32602 (invalid params)
- Unsupported network identifier returns 404 or routing error
- Rate limiting or quota exceeded returns 429
- Node unavailability or timeout returns 503
- Malformed JSON body returns -32700 (parse error)
- Calling a write method (eth_sendRawTransaction) with a read-only key may return auth error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| ownerrequired | string | |
| networkrequired | string | |
| endpointrequired | string |
Tags
rpcjson-rpcnftevmmultichainblockchaindata
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