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Api Endpoint

BlockRun.AI

JSON-RPC 2.0 passthrough across 40 chains (powered by Tatum).

Open interactive test console

Offering

Provider
BlockRun.AI
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Infrastructure
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://arc.blockrun.ai/api/v1/rpc/ethereum
MIME type
application/json
First seen
2026-10-16T01:50:03.601Z
Last seen
Tags
X402, AI, blockchain, infrastructure

WebsiteDocumentationOpenAPI

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
3000 atomic units
Atomic price: 3000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "3000",
    "payTo": "0x634D274e67DafaF76C54153aa113906a606e1E0B"
  }
]

Observed health

Status
Healthy
Latest latency
79 ms
Average latency
132 ms
HTTP status
204
Last checked
Reachability
100% over 11 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "body": {
    "type": "object",
    "required": [
      "jsonrpc",
      "method",
      "id"
    ],
    "properties": {
      "id": {
        "type": "integer",
        "default": 1,
        "description": "JSON-RPC id."
      },
      "method": {
        "type": "string",
        "description": "Chain RPC method — e.g. eth_blockNumber, eth_call, eth_getBalance (EVM) or getSlot, getAccountInfo (Solana)."
      },
      "params": {
        "type": "array",
        "items": {},
        "description": "Method-specific params."
      },
      "jsonrpc": {
        "enum": [
          "2.0"
        ],
        "type": "string",
        "description": "\"2.0\""
      }
    }
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json"
}

Output schema

{
  "type": "object",
  "properties": {
    "example": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string|number"
        },
        "result": {
          "type": "object"
        },
        "jsonrpc": {
          "type": "string"
        }
      }
    }
  }
}