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OmniAPI Crypto Address Transaction Lookup
x402
OmniAPI Crypto Address Transaction Lookup is a paid API for AI agents from omni-api-cyan.vercel.app, paid per call via x402, $0.047775/call, status unknown (last checked 2026-09-15).
Retrieves the transaction history for a given blockchain address across supported chains
Price / call$0.047775
Success—
StatusUnknown
How this service works
444 endpoints across 9+ chains. Crypto, AI, Social, Finance, Weather, Tools. Pay per call in USDC via x402 with 4 facilitators: Dexter, Meridian, FluxA, GoPlausible.
Output
Returns a structured object containing the list of transactions associated with the queried blockchain address, including details such as transaction hashes, block numbers, timestamps, sender and receiver addresses, token amounts, and transaction statuses across supported chains.
Example use cases
Audit DeFi wallet activity
“Pull all the on-chain transactions for this wallet address 0x742d35Cc6634C0532925a3b8D4C9C1F3b1d4e5f2 — I need to see every send and receive so I can audit its activity.”
Track incoming payments to business wallet
“Show me the transaction history for my business crypto wallet 0xAbC123... so I can verify which client payments have actually landed on-chain.”
Investigate suspicious address transfers
“I need to look up all transactions for this suspicious blockchain address 0x1A2B3C4D5E6F... — can you fetch its full on-chain history so I can see what it's been doing?”
Technical details
Endpoint
POSThttps://omni-api-cyan.vercel.app/api/crypto/address/transactionsWhen to prefer
Use this endpoint when you need to retrieve on-chain transaction history for a specific blockchain address across one or more of OmniAPI's supported chains. It is particularly useful for agents that need to audit wallet activity, verify payments, or investigate on-chain behavior without setting up a direct node connection or indexer. Choose this over building a custom blockchain query when you want pay-per-call simplicity via x402 USDC micropayments.
Side effects
- Invalid or malformed address returns an error or empty result
- Unsupported chain or address format may yield no transactions
- Rate limiting or payment failure via x402 results in a 402 Payment Required response
- Network or provider downtime may cause timeouts or 500 errors
- Address with no transaction history returns an empty list
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | Input data for the endpoint |
| queryrequired | string | Search query or input text |
| params | object | Additional parameters |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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