# ApexAPI Crypto Address Transactions Lookup

> ApexAPI Crypto Address Transactions Lookup is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.08826/call, status unknown (last checked 2026-09-15).

Retrieves the transaction history for a given cryptocurrency wallet address

## Facts

- Endpoint: POST https://apex-api-gamma.vercel.app/api/crypto/address/transactions
- Price: $0.08826/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/apexapi-crypto-address-transactions-lookup-d10e3bc9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_c203UUsBjVNPKq6eTz3_w

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 apexapi-crypto-address-transactions-lookup-d10e3bc9 -d '<json body>'
```

Example prompt: Can you pull up the full transaction history for the crypto wallet address 0x742d35Cc6634C0532925a3b844Bc454e4438f44e? I want to see what transactions it has made.

## When to prefer this

Use this endpoint when you need to retrieve the transaction history of a specific cryptocurrency wallet address without managing API keys. Particularly useful for agents operating in a pay-per-call model using USDC on Base via x402 protocol. Prefer this when you need a quick lookup of on-chain activity for a single address without setting up a full blockchain node or managing subscriptions.

## Known failure modes

- Invalid or malformed wallet address returns an error or empty result
- Unsupported blockchain network may return no data
- Address with no transaction history returns empty array
- Rate limiting or payment failure returns 402 or 429 status
- Network or provider downtime causes timeout or 500 error

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

A list of transactions associated with the queried cryptocurrency address, likely including transaction hashes, amounts, timestamps, counterparty addresses, and status information for each on-chain transaction.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/apexapi-crypto-address-transactions-lookup-d10e3bc9/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from apex-api-gamma.vercel.app](https://www.zero.xyz/host/apex-api-gamma.vercel.app/llms.txt)