# Phantom API — MegaETH Token Balances

> Phantom API — MegaETH Token Balances is a paid API for AI agents from phantom-api-omega.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).

Fetches token balances for a given wallet address on the MegaETH network, optionally filtered by specific contract addresses

## Facts

- Endpoint: POST https://phantom-api-omega.vercel.app/api/megaeth/token/balances?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/phantom-api-megaeth-token-balances-0ab8d95b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_o0xESVR58kD_jP589fEq5

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 phantom-api-megaeth-token-balances-0ab8d95b -d '<json body>'
```

Example prompt: What are the token balances for wallet 0xAbC123...def on MegaETH? Include balances for contract addresses 0xToken1... and 0xToken2....

## When to prefer this

Choose this endpoint when you specifically need token balance data on the MegaETH network. It is ideal for per-call, pay-as-you-go use cases via x402, portfolio monitoring, airdrop eligibility checks, or wallet analysis on MegaETH without requiring a subscription or API key setup.

## Known failure modes

- Invalid or malformed owner wallet address returns an error or empty result
- Non-existent contract addresses return zero balances or empty entries
- MegaETH node unavailability causes timeout or 503 error
- Payment failure via x402 protocol blocks the request with a 402 response
- Rate limiting or quota exceeded returns a 429 or similar error

## How this service works

Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.

## Output

Returns a list of token balances held by the specified wallet address on MegaETH, including token contract addresses and corresponding balance amounts. When contract addresses are provided, results are filtered to those specific tokens only.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "owner": {
   "type": "string"
  },
  "contractAddresses": {
   "type": "array",
   "items": {
    "type": "string"
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/phantom-api-megaeth-token-balances-0ab8d95b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from phantom-api-omega.vercel.app](https://www.zero.xyz/host/phantom-api-omega.vercel.app/llms.txt)