# Crypto Shark Bazaar – Chain Transaction Count

> Crypto Shark Bazaar – Chain Transaction Count is a paid API for AI agents from cryptoshark.duckdns.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-11).

Returns the current transaction count for a blockchain address or network on Base, useful for nonce management and activity monitoring

## Facts

- Endpoint: GET https://cryptoshark.duckdns.org/chain/transaction-count?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crypto-shark-bazaar-chain-transaction-count-99100b3b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_dHpV7iUHyTrm4hZjyQN5G

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 crypto-shark-bazaar-chain-transaction-count-99100b3b
```

Example prompt: What is the current transaction count for the wallet 0xAbC...123 on the Base network right now?

## When to prefer this

Choose this endpoint when you need a low-cost ($0.001 USDC), on-demand transaction count or nonce lookup for a wallet address on the Base blockchain via the x402 micropayment protocol. It is ideal for autonomous agents that need nonce management before submitting transactions, lightweight wallet activity checks, or time-stamped on-chain data snapshots without setting up their own RPC infrastructure.

## Known failure modes

- Invalid or malformed wallet address returns an error response
- Unsupported network identifier results in a 400 or equivalent error
- Rate limiting or payment failure via x402 protocol returns a 402 Payment Required
- Network timeout if the Base RPC node is slow or unavailable
- Empty or missing query parameters may return a generic or null count

## How this service works

Low-cost x402 blockchain primitives, market intelligence, and AI utilities for autonomous agents

## Output

A JSON object containing the blockchain network name (e.g. 'base'), the transaction count for the queried address or network, and an ISO 8601 timestamp indicating when the data was observed (observedAt).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "network": "base",
  "observedAt": "2026-09-16T00:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crypto-shark-bazaar-chain-transaction-count-99100b3b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from cryptoshark.duckdns.org](https://www.zero.xyz/host/cryptoshark.duckdns.org/llms.txt)