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Phantom API — Arbitrum Token Metadata
x402
Phantom API — Arbitrum Token Metadata 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 2026-09-14).
Retrieves token metadata (name, symbol, decimals, etc.) for a given ERC-20 or token contract address on the Arbitrum network
Price / call$0.01
Success—
StatusUnknown
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 structured metadata for the specified Arbitrum token contract, including the token name, symbol, number of decimals, and potentially other contract-level details such as total supply or contract type.
Example use cases
Identify unknown DeFi token
“I found this Arbitrum contract address 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9 in my wallet — can you tell me what token it is, its symbol, and how many decimals it uses?”
Enrich on-chain transaction data
“I have a list of Arbitrum token contract addresses from recent transactions — can you pull the name and symbol metadata for 0x912CE59144191C1204E64559FE8253a0e49E6548 so I can label it properly in my dashboard?”
Validate token contract before swap
“Before I approve a swap on Arbitrum, can you confirm the metadata for this contract address 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1 — I want to make sure it's actually WETH and not a fake token?”
Technical details
Endpoint
POSThttps://phantom-api-omega.vercel.app/api/arbitrum/token/metadataWhen to prefer
Use this endpoint when you need fast, pay-per-call token metadata resolution on Arbitrum specifically — ideal for agents that encounter raw contract addresses and need to resolve them to human-readable token info without maintaining a full node or subscribing to a costly data provider. Prefer over general blockchain explorers when you need programmatic, structured JSON output for ERC-20 token metadata on Arbitrum.
Side effects
- Invalid or malformed contract address returns an error
- Contract address exists on Arbitrum but is not a standard token (e.g. a plain contract) — may return incomplete metadata
- Contract address is valid on another chain but not deployed on Arbitrum — returns not found
- Payment not processed correctly via x402 — returns 402 Payment Required
- Network or RPC issues may cause timeout or 5xx errors
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| contractAddress | string |
Tags
x402
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