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x402engine Crypto Search API
x402
x402engine Crypto Search API is a paid API for AI agents from x402engine.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Searches for cryptocurrency information by coin name or symbol, returning relevant coin data
Price / call$0.001
Success—
StatusUnknown
How this service works
Search for a coin by name or symbol to get its CoinGecko ID
Output
Returns cryptocurrency information matching the search query, including coin name, symbol, and relevant metadata for coins matching the provided name or symbol string.
Example use cases
Identifying unknown crypto ticker
“I saw a coin ticker 'AVAX' mentioned somewhere — can you look it up and tell me what coin that is?”
Researching altcoin by name
“Search for Chainlink in the crypto database and pull up whatever details come back about it.”
Verifying coin symbol before trading
“Before I do anything, can you confirm that 'DOT' is the symbol for Polkadot by searching for it?”
Technical details
Endpoint
GEThttps://x402engine.app/api/crypto/searchWhen to prefer
Use this endpoint when you need to search or identify a cryptocurrency by name or symbol and want pay-per-call micropayment pricing with no subscription. Prefer this over free public APIs when building autonomous AI agents that need metered, on-chain payment access to crypto data.
Side effects
- Empty or ambiguous query returns no results or irrelevant coins
- Unknown coin name or symbol returns empty result set
- Payment failure (402) if USDC/USDm balance is insufficient
- Rate limiting or service unavailability returns 5xx error
- Misspelled coin name may return no matches
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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