Index onlineMerchant portal
Api Endpoint

FiatDock

Who holds an ERC-20: the top 10 holders with their share of supply and whether each is a contract, locked or a burn address, the LP holders and how much LP is locked, the creator's and owner's share, holder count, and concentration with burned/locked supply excluded. Base, Ethereum and five more chains. Send {} for USDC on Base. Pay-per-call via x402. An empty body is answered for USDC on Base (the x402 settlement asset); send {"token":"0x…"} for any other token.

Open interactive test console

Offering

Provider
fiatdock.com
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://fiatdock.com/v1/token/holders
MIME type
Not provided
First seen
2026-10-16T01:50:38.788Z
Last seen
Tags
Token, Holders, concentration, Onchain, ERC20

Website

Payment pricing

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

Payment option 1
0.0027 USDC
Atomic price: 2700 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2700",
    "payTo": "0xeB12bB2f52EeD33DBa6A00774E48324032Fd87C6"
  }
]

Observed health

Status
Healthy
Latest latency
254 ms
Average latency
820 ms
HTTP status
204
Last checked
Reachability
100% over 14 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": {
      "properties": {
        "chain": {
          "description": "Chain, default base",
          "enum": [
            "base",
            "ethereum",
            "polygon",
            "arbitrum",
            "optimism",
            "bsc",
            "avalanche"
          ],
          "example": "base",
          "type": "string"
        },
        "token": {
          "description": "ERC-20 contract address (0x…). Omit the whole body to get USDC on Base",
          "example": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "maxLength": 42,
          "type": "string"
        }
      },
      "required": []
    },
    "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 schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "chain": {
              "description": "Chain, default base",
              "enum": [
                "base",
                "ethereum",
                "polygon",
                "arbitrum",
                "optimism",
                "bsc",
                "avalanche"
              ],
              "example": "base",
              "type": "string"
            },
            "token": {
              "description": "ERC-20 contract address (0x…). Omit the whole body to get USDC on Base",
              "example": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "maxLength": 42,
              "type": "string"
            }
          },
          "required": []
        },
        "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": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}