Explore›Simulate a read-only Ethereum contract call via eth_call - no transaction sent

Simulate a read-only Ethereum contract call via eth_call - no transaction sent

x402 crypto healthy

P50 Latency 309ms

Uptime 100.0%

Price $0.01

OneSource - Pay-per-call Ethereum RPC for Agents Pay-per-call Ethereum mainnet RPC for AI agents. Live block, balance, contract, NFT, transaction, and event data served directly from mainnet nodes. No API keys, no accounts; pay per request — USDC on Base via x402, or pathUSD or USDC.e on Tempo via M…

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Reliable Fast Stable pricing

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Endpoint Details

URL

https://skills.onesource.io/api/chain/call

Canonical URL https://skills.onesource.io/api/chain/call

Payment Address 0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea

Sources bazaar, openapi

Last Scan May 15

Scan Cycles 29

Consecutive Failures 0

P99 Latency: 705ms

Quick Start

Use with an Agent

1. Install MCP server

claude mcp add boltzpay -- npx -y @boltzpay/mcp

Paste in your terminal

2. Ask your agent

Fetch https://skills.onesource.io/api/chain/call and return the result

Use in Code

CLI

npx boltzpay fetch "https://skills.onesource.io/api/chain/call"

SDK Documentation