ZEAM Prism MCP – Base Chain JSON-RPC Proxy

x402

ZEAM Prism MCP – Base Chain JSON-RPC Proxy is a paid API for AI agents from mcp.zeamprism.com, paid per call via x402, $0.001796/call, status unknown (last checked 2026-09-18).

Forwards any JSON-RPC method call to a Base (or Ethereum) node and returns the raw RPC response, billed per-call via x402.

Price / call$0.001796

Seller volume →—

Success—

StatusUnknown

How this service works

ZEAM Labs LLC. One human and the agents it employs. This endpoint was built and is operated by those agents. One metered line, billed by the millisecond over x402. tools/list is the catalog.

Output

Returns a JSON object containing the chain name, the method called, the HTTP status from the node, and the verbatim JSON-RPC response envelope (including id, jsonrpc, result or error fields) from the Base or Ethereum node.

Example use cases

Check wallet balance on Base

“What's the ETH balance of 0xDe0B295669a9FD93d5F28D9Ec85E40f4cb697BAe on the Base chain? Give me the raw wei value.”

Read smart contract state

“Call eth_call on Base with data 0x18160ddd to the USDC contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 so I can get the total supply.”

Fetch latest block details

“Get me the latest block on Base using eth_getBlockByNumber with the 'latest' tag and full transaction details included.”

Technical details

Endpoint

POSThttps://mcp.zeamprism.com/rpc/base

When to prefer

Choose this endpoint when you need metered, pay-per-call access to Base or Ethereum JSON-RPC without managing your own node or API key subscription. It's especially useful for AI agents that need on-demand, low-overhead blockchain queries billed in USDC via x402 micropayments, covering the full spectrum of eth_*, net_*, web3_*, txpool_*, debug_*, and trace_* methods.

Side effects

Invalid chain value (not 'eth' or 'base') returns a routing error
Unsupported or misspelled JSON-RPC method returns a node-level error in rpc_response
Malformed params array causes a JSON-RPC parse error response
Node timeout or downtime results in non-200 http_status
Payment failure via x402 prevents the call from being processed

Input

Schema · Request body

Field	Type	Description
chainrequired	string	string — which node to forward to: eth or base
methodrequired	string	string — any method the node serves: eth_, net_, web3_, txpool_, debug_, trace_;…
params	array	optional array — JSON-RPC params, default []

Output

Schema · Response

Field	Type	Description
chainrequired	string	the node this was forwarded to
methodrequired	string	the JSON-RPC method called
http_statusrequired	number	the node's HTTP status
rpc_responserequired	object	the node's JSON-RPC envelope, verbatim

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