# Chain RPC Gateway

> JSON-RPC for Ethereum, Base, and Solana, paid per call

> Sample data: shown until the Platform API serves it. These services and numbers aren't real.

Full-node JSON-RPC for Ethereum, Base, and Solana mainnets. Send one JSON-RPC request per HTTP call.

- Category: `blockchain/rpc`. Tags: rpc, json-rpc, ethereum, base, solana.
- Pay URL: `https://pay-servicerouter.agents.bakingbad.dev/service/chain-rpc`
- Pay with: Credits.
- Last 30 days: 1.19M calls, 99.7% success, 49 ms median, 190 ms p95.

## Routes

| Route | Summary | Price | Pay with | Calls (30 days) |
|---|---|---|---|---|
| `POST /eth` | Ethereum JSON-RPC | $0.0005 | Credits | 538K |
| `POST /base` | Base JSON-RPC | $0.0005 | Credits | 297.4K |
| `POST /sol` | Solana JSON-RPC | $0.0005 | Credits | 351.9K |

Only `2xx` answers are charged.

## For agents

- [llms.txt](https://servicerouter.agents.bakingbad.dev/discover/chain-rpc/llms.txt)
- [Agent Skill](https://servicerouter.agents.bakingbad.dev/discover/chain-rpc/skill.md)
- [OpenAPI](https://servicerouter.agents.bakingbad.dev/discover/chain-rpc/openapi.json)

> Use the Chain RPC Gateway API through Service Router. Read https://servicerouter.agents.bakingbad.dev/discover/chain-rpc/llms.txt for how to call and pay for it. Ask me before you spend anything.

## Links

- Homepage: https://chain-rpc.example.com
- Docs: https://chain-rpc.example.com/docs
- Support: https://chain-rpc.example.com/support
- Updated 6 Oct 2026