# BaseLens Contract Check (Base)

> BaseLens Contract Check (Base) is a paid API for AI agents from speedbot.dev, paid per call via x402, $0.003333/call, status unknown (last checked 2026-10-31).

Checks and validates smart contracts on the Base blockchain network

## Facts

- Endpoint: POST https://speedbot.dev/api/products/product_a2f42a49ca8c46009f558b0a8ac46c3e/call?utm_source=zero.xyz
- Price: $0.003333/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/baselens-contract-check-base-b1331607
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ty-rE_yN8BMLXf199eGgP

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 baselens-contract-check-base-b1331607 -d '<json body>'
```

Example prompt: Can you run a contract check on this Base smart contract address — 0x1234abcd... — and tell me if it looks valid and what it does?

## When to prefer this

Choose this endpoint when you need a quick, affordable ($0.003 per call) automated check of a Base network smart contract without setting up your own blockchain node or RPC infrastructure. Ideal for agents that need to programmatically verify contracts before executing transactions or flagging risks to users.

## Known failure modes

- Invalid or malformed contract address returns an error
- Contract address not found on Base network
- Provider input schema mismatch causes rejection
- Network timeout or upstream Base RPC unavailability
- Rate limiting or payment failure for the x402 microtransaction

## How this service works

BaseLens Contract Check (Base). Hosted API via Speedbot; includes 10% seller commission. version=external_api_4673d6e3d03ebb3161a81868740b3d5a checksum=4673d6e3d03ebb3161a81868740b3d5a6de6a652811f0d82ac9ddec0912aaee2 listing=968e953ecdf8d30a54b2a775d831ff31e4b75920970cba71bf8ef484395b3e53

## Output

Returns a structured validation result for the specified Base blockchain smart contract, including contract status, verification details, and any findings about the contract's properties or legitimacy.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "input": {
   "type": "object",
   "description": "Provider input. Omitting input uses the documented public example."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/baselens-contract-check-base-b1331607/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from speedbot.dev](https://www.zero.xyz/host/speedbot.dev/llms.txt)