ToolAssay

Call when an agent needs ERC-20 metadata, proxy and owner flags, a 30-day recent

Call when an agent needs ERC-20 metadata, proxy and owner flags, a 30-day recently_deployed heuristic, and an optional holder balance for one Base token. Send token and optional holder. No LLM. Read-only. Send JSON {"token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","holder":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"}. Exact $0.01 USDC on Base. Try unpaid POST /v1/sandbox/base-token-facts first.

Not tested: has real-world effectsour last check, 2026-10-11
0 of 0checks answered this week
n/amedian answer time
$0.01listed price per call
n/aprice it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://agentshelf.syntexa.ch/v1/base-token-facts

CategoryCode and developer
Provider hostagentshelf.syntexa.ch
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "holder": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
    "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "examples": [
            {
              "holder": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            }
          ],
          "properties": {
            "holder": {
              "description": "Optional wallet whose token balance is included. Example: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. Omit it to skip the balance read. EIP-55 or all one case.",
              "examples": [
                "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
              ],
              "type": "string"
            },
            "token": {
              "description": "Token contract on Base mainnet. Example: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 (Circle USDC). Returns metadata, EIP-1967 proxy flags, owner_renounced, and a 30-day recently_deployed heuristic. No LLM.",
              "examples": [
                "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
              ],
              "type": "string"
            }
          },
          "required": [
            "token"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": false,
          "examples": [
            {
              "billed": true,
              "bytecode_bytes": 2,
              "bytecode_hash": "0x1111111111111111111111111111111111111111111111111111111111111111",
              "decimals": 6,
              "deploy_block": 10,
              "deploy_timestamp": 1700000000,
              "holder": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "holder_balance": "2.5",
              "holder_balance_raw": "2500000",
              "implementation": null,
              "is_contract": true,
              "name": "USD Coin",
              "network": "eip155:8453",
              "ok": true,
              "owner": null,
              "owner_renounced": null,
              "receipt_id": "rcpt_01EXAMPLE000000000000000",
              "recently_deployed": false,
              "symbol": "USDC",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "total_supply": "1000000",
              "total_supply_raw": "1000000000000",
              "upgradeable_proxy": false,
              "warnings": []
            }
          ],
          "properties": {
            "billed": {
              "examples": [
                true
              ],
              "type": "boolean"
            },
            "bytecode_bytes": {
              "examples": [
                2
              ],
              "minimum": 0,
              "type": "integer"
            },
            "bytecode_hash": {
              "examples": [
                "0x1111111111111111111111111111111111111111111111111111111111111111"
              ],
              "type": [
                "string",
                "null"
              ]
            },
            "decimals": {
              "anyOf": [
                {
                  "minimum": 0,
                  "type": "integer"
                },
                {
                  "type": "null"
                }
              ],
              "examples": [
                6
              ]
            },
            "deploy_block": {
              "anyOf": [
                {
                  "minimum": 0,
                  "type": "integer"
                },
                {
                  "type": "null"
                }
              ],
              "examples": [
                10
              ]
            },
            "deploy_timestamp": {
              "anyOf": [
                {
                  "minimum": 0,
                  "type": "integer"
                },
                {
                  "type": "null"
                }
              ],
              "examples": [
                1700000000
              ]
            },
            "holder": {
              "examples": [
                "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
              ],
              "type": [
                "string",
                "null"
              ]
            },
            "holder_balance": {
              "examples": [
                "2.5"
              ],
              "type": [
                "string",
                "null"
              ]
            },
            "holder_balance_raw": {
              "examples": [
                "2500000"
              ],
              "type": [
                "string",
                "null"
              ]
            },
            "implementation": {
              "examples": [
                null
              ],
              "type": [
                "string",
                "null"
              ]
            },
            "is_contract": {
              "examples": [
                true
              ],
              "type": "boolean"
            },
            "name": {
              "examples": [
                "USD Coin"
              ],
              "type": [
                "string",
                "null"
              ]
            },
            "network": {
              "const": "eip155:8453",
              "examples": [
                "eip155:8453"
              ],
              "type": "string"
            },
            "ok": {
        

This page as JSON