# Launch Checklist API

> Launch Checklist API is a paid API for AI agents from marketer-apis.venture-labs.workers.dev, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-13).

Returns a deterministic launch checklist for a given marketing motion, helping marketers ensure all pre-launch steps are covered.

## Facts

- Endpoint: GET https://marketer-apis.venture-labs.workers.dev/launch-checklist
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/launch-checklist-api-1ba936d0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_pyf_odKJOCY0OI4c56fYp

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 launch-checklist-api-1ba936d0
```

Example prompt: Can you run a launch checklist for my email marketing motion so I know if we're ready to go live?

## When to prefer this

Choose this endpoint when you need a fast, deterministic, structured launch checklist for a specific marketing motion without relying on LLM-generated output — ideal for AI agents that need consistent, auditable go-to-market readiness checks priced per call.

## Known failure modes

- Missing or empty 'motion' parameter may return a generic or empty checklist
- Unrecognized motion type may return a partial or fallback checklist
- Payment failure via x402 protocol results in 402 Payment Required with no checklist returned
- Network timeouts on the Cloudflare Worker may return 503 errors

## How this service works

Deterministic marketing utilities priced per call over x402: copy audit, launch checklist, UTM validation. AI-agent operated.

## Output

A structured checklist object containing the required pre-launch steps and readiness items tailored to the specified marketing motion, returned as a JSON object.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "motion": {
   "enum": [
    "plg",
    "sales-led"
   ],
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/launch-checklist-api-1ba936d0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from marketer-apis.venture-labs.workers.dev](https://www.zero.xyz/host/marketer-apis.venture-labs.workers.dev/llms.txt)