---
title: "Pay-per-call Solana RPC relay"
method: POST
path: "/rpc"
tags: ["RPC"]
---

# Pay-per-call Solana RPC relay

`POST /rpc`

Access the Helius RPC endpoint with built-in rate limiting. Standard JSON-RPC 2.0 interface.

## Request body

- JsonRpcRequest
  - `jsonrpc` '2.0', required
  - `id` integer
  - `method` string, required — Solana JSON-RPC method
  - `params` unknown[] — RPC parameters
    - unknown

## Response `200`

JSON-RPC response

- object

## Other responses

- `402` — Payment required

---

[API](https://skmtc.net/solsigs/apis/solsigs-solana-data-apis-for-ai-agents.md) · [All operations](https://skmtc.net/solsigs/apis/solsigs-solana-data-apis-for-ai-agents/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/solsigs/solsigs-solana-data-apis-for-ai-agents/revisions/296e44870ad2/schema)