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Token Supply Lookup for Base Tokens
x402
Token Supply Lookup for Base Tokens is a paid API for AI agents from 402.com.tr, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).
Returns the total supply of any Base token, both raw and decimals-scaled, along with its name and symbol.
Price / call$0.002
Success—
StatusUnknown
How this service works
🆕 totalSupply for any Base token, returned raw and scaled by its decimals, alongside the name and symbol. When a contract doesn't declare decimals the answer assumes 18 and marks that it assumed — a silent guess here quietly moves every downstream number by orders of magnitude. Non-token addresses answer found:false.
Output
Returns a JSON object with: found (boolean indicating if address is a token), token name, symbol, raw total supply, decimals (with a flag if 18 was assumed rather than declared), and the supply scaled by decimals. Non-token addresses return found:false.
Example use cases
DeFi dashboard token supply card
“Pull the total supply for the USDC token on Base at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 — I need the scaled supply and the token name and symbol to display on the dashboard.”
New token vetting before investment
“I just found a new token on Base at contract 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA — can you check its total supply, name, and symbol so I can gauge how many tokens are in circulation?”
Automated token metadata enrichment pipeline
“For each of the token contracts I'm tracking on Base, starting with 0x4200000000000000000000000000000000000006, grab the total supply scaled by decimals plus the name and symbol so I can enrich my records.”
Technical details
Endpoint
GEThttps://402.com.tr/api/x402/token-supplyWhen to prefer
Use this endpoint when you need quick, reliable total supply data for a Base ERC-20 token, especially when you also need the human-readable scaled value alongside raw supply. Prefer it over generic blockchain RPC calls when you want decimals handling and token metadata (name, symbol) in a single call. It is purpose-built for Base and handles the decimals-scaling edge case explicitly with a warning flag.
Side effects
- Non-token contract address returns found:false with no supply data
- Contract without a declared decimals() function causes the API to assume 18 decimals and sets an assumed-decimals flag, which may produce misleading scaled supply figures
- Invalid or malformed contract address may result in an error response
- Token exists but has non-standard supply methods may not return correct data
- Network or RPC errors on Base may cause timeouts
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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