# Vextorium Token Holders

> Vextorium Token Holders is a paid API for AI agents from api.vextorium.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-28).

Returns the top token holders, holder count, supply, and concentration metrics for an EVM token on Ethereum, Base, Arbitrum, Optimism, Polygon, or zkSync.

## Facts

- Endpoint: POST https://api.vextorium.com/v1/token-holders?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/vextorium-token-holders-82909165
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3kBaS4-lZMcwaqT0XNv6E

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability vextorium-token-holders-82909165 -d '<json body>'
```

Example prompt: Who are the top 10 holders of the token at 0x532f27101965dd16442E59d40670FaF5eBB142E4 on Base, and what percentage of the supply do they control?

## When to prefer this

Choose this endpoint when you need EVM token holder distribution data across Ethereum, Base, Arbitrum, Optimism, Polygon, or zkSync and want structured output including contract-vs-EOA flags, ENS names, and concentration metrics in a single pay-per-call call without managing your own Blockscout integration or API keys.

## Known failure modes

- Invalid or non-existent token contract address returns an error or empty result
- Unsupported network value not in the enum returns a validation error
- Token exists but has no indexed holder data on Blockscout for that network
- Rate limiting or upstream Blockscout unavailability causes a timeout or 5xx error
- Missing required 'token' field returns a schema validation error

## How this service works

558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.

## Output

A JSON object containing the token name, symbol, contract address, network, total supply, total holder count, a note about contract holders, the data source (Blockscout), a list of the largest holders (each with address, ENS if available, human-readable name if known, amount held, percentage of supply, whether it is a contract, and a scam flag), and the combined top-10 concentration percentage.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "integer"
  },
  "token": {
   "type": "string"
  },
  "network": {
   "enum": [
    "ethereum",
    "base",
    "arbitrum",
    "optimism",
    "polygon",
    "zksync"
   ],
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "name": "Brett",
  "note": "The largest holders are often contracts (pools, bridges, exchanges): check the contract column before drawing conclusions.",
  "token": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
  "source": "Blockscout (https://base.blockscout.com)",
  "supply": 9999997544.340006,
  "symbol": "BRETT",
  "holders": 949709,
  "largest": [
   {
    "ens": null,
    "name": null,
    "scam": null,
    "amount": 1166038432.167559,
    "address": "0x7061f0B28F5a95AaE717905Bb59AA4e08C165268",
    "contract": false,
    "percentage": 11.6604
   },
   {
    "ens": null,
    "name": "GnosisSafeProxy",
    "scam": null,
    "amount": 406351804.5775266,
    "address": "0x388E263cd180409701C6f34dD7bA45E33BABC997",
    "contract": true,
    "percentage": 4.0635
   }
  ],
  "network": "base",
  "concentration_top10_pct": 19.63
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/vextorium-token-holders-82909165/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.vextorium.com](https://www.zero.xyz/host/api.vextorium.com/llms.txt)