# USD Coin Metadata on Base (ERC-20 Token Info)

> USD Coin Metadata on Base (ERC-20 Token Info) is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-01).

Reads ERC-20 symbol, decimals, and total supply for a given token contract on the Base blockchain, defaulting to USDC.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/crypto-base-token-info-market-research?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/usd-coin-metadata-on-base-erc-20-token-info-766c8872
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JPf_AQQkVkq0WbK1mchev

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 usd-coin-metadata-on-base-erc-20-token-info-766c8872 -d '<json body>'
```

Example prompt: Can you pull the on-chain ERC-20 metadata for USD Coin on Base — I need the symbol, decimals, and total supply for the contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913?

## When to prefer this

Use this endpoint when you need fast, live on-chain ERC-20 metadata (symbol, decimals, total supply) specifically from the Base blockchain, particularly for USDC or other Base-native tokens, for market research or DeFi integration purposes.

## Known failure modes

- Invalid or non-ERC-20 contract address returns an error or empty data
- Contract address not deployed on Base returns a call failure
- RPC node downtime may cause temporary unavailability
- Malformed address format causes a validation error

## How this service works

USD Coin metadata on Base: Token: USD Coin. Read ERC-20 symbol, decimals, and total supply on Base. Focus: market research. Uses live Coinbase Exchange or Base RPC data.

## Output

Returns the ERC-20 token's symbol (e.g. 'USDC'), decimals (e.g. 6), and total supply as read from the Base blockchain in real time via Coinbase Exchange or Base RPC.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "token": {
   "type": "string",
   "default": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/usd-coin-metadata-on-base-erc-20-token-info-766c8872/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)