Api Endpoint

HALOWERK kettenwerk

Provides twelve allowlisted EVM read methods. Validates addresses, block tags, topics and byte bounds; logs cover at most 128 explicit blocks and one contract. eth_call is capped at 500000 gas. No wallet, signatures, transaction sends or node URLs supplied by the caller.

Open interactive test console

Offering

Provider: kette.halowerk.com
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Other
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://kette.halowerk.com/evm/read
MIME type: Not provided
First seen: 2026-11-01T15:26:34.436Z
Last seen: 2026-11-05T17:49:21.852Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E"
  }
]

Observed health

Status: Healthy
Latest latency: 316 ms
Average latency: 318 ms
HTTP status: 204
Last checked: 2026-11-05T18:58:58.161Z
Reachability: 100% over 2 checks

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

Input schema

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "additionalProperties": false,
      "properties": {
        "chain": {
          "default": "base",
          "enum": [
            "base",
            "ethereum",
            "arbitrum"
          ]
        },
        "method": {
          "enum": [
            "eth_chainId",
            "eth_blockNumber",
            "eth_gasPrice",
            "eth_getBalance",
            "eth_getTransactionCount",
            "eth_getCode",
            "eth_getStorageAt",
            "eth_getBlockByNumber",
            "eth_getTransactionByHash",
            "eth_getTransactionReceipt",
            "eth_call",
            "eth_getLogs"
          ]
        },
        "params": {
          "default": [],
          "maxItems": 3,
          "type": "array"
        }
      },
      "required": [
        "method"
      ],
      "type": "object"
    },
    "bodyType": {
      "enum": [
        "json",
        "form-data",
        "text"
      ],
      "type": "string"
    },
    "method": {
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ],
      "type": "string"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "chain": {
              "default": "base",
              "enum": [
                "base",
                "ethereum",
                "arbitrum"
              ]
            },
            "method": {
              "enum": [
                "eth_chainId",
                "eth_blockNumber",
                "eth_gasPrice",
                "eth_getBalance",
                "eth_getTransactionCount",
                "eth_getCode",
                "eth_getStorageAt",
                "eth_getBlockByNumber",
                "eth_getTransactionByHash",
                "eth_getTransactionReceipt",
                "eth_call",
                "eth_getLogs"
              ]
            },
            "params": {
              "default": [],
              "maxItems": 3,
              "type": "array"
            }
          },
          "required": [
            "method"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}