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NexusAPI Crypto Currency Converter
x402
NexusAPI Crypto Currency Converter is a paid API for AI agents from nexus-api-virid.vercel.app, paid per call via x402, $0.077776/call, status unknown (last checked 2026-09-14).
Converts between cryptocurrency pairs or performs unit/value conversion for crypto assets
Price / call$0.077776
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
Returns the converted cryptocurrency amount and the exchange rate used for the conversion between the specified crypto pair, based on current market prices.
Example use cases
Portfolio rebalancing calculation
“I have 1,000 USDC and want to know how much Solana I could buy with it right now — what's the conversion?”
Cross-chain swap planning
“If I swap 0.1 BTC to ETH today, how many ETH would I receive at the current rate?”
Crypto invoice amount check
“I need to bill a client for the equivalent of 500 USDT but they want to pay in MATIC — how much MATIC should I request?”
Technical details
Endpoint
POSThttps://nexus-api-virid.vercel.app/api/crypto/convertWhen to prefer
Use this endpoint when you need a quick, pay-per-call crypto-to-crypto conversion without managing API keys. Prefer it over self-hosted solutions when you want zero infrastructure overhead and real-time rates billed in USDC micro-payments via x402.
Side effects
- Unsupported cryptocurrency symbol returns an error or empty result
- Invalid or malformed query string causes a 400-level error
- Rate limiting or upstream price feed unavailability returns a 5xx error
- Ambiguous currency symbol (e.g. conflicting token tickers) may return incorrect conversion
- Payment not received results in 402 response blocking the call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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