# NexusAPI AI FAQ Endpoint

> NexusAPI AI FAQ Endpoint is a paid API for AI agents from nexus-api-peach-nine.vercel.app, paid per call via x402, $0.148462/call, status unknown (last checked 2026-10-19).

Answers frequently asked questions about AI topics by accepting a query string and returning relevant AI-related information.

## Facts

- Endpoint: POST https://nexus-api-peach-nine.vercel.app/api/ai/faq?utm_source=zero.xyz
- Price: $0.148462/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nexusapi-ai-faq-endpoint-bffb1ae5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-0acWNH3-X6ICpseg_NCw

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 nexusapi-ai-faq-endpoint-bffb1ae5 -d '<json body>'
```

Example prompt: Can you search the NexusAPI AI FAQ for 'what is the difference between supervised and unsupervised learning' and give me the answer?

## When to prefer this

Use this endpoint when you need quick, pay-per-call answers to AI-related frequently asked questions without needing to maintain an API key or subscription. Best suited for one-off lookups of AI concepts, terminology, or common questions in the AI domain.

## Known failure modes

- Empty or vague query returns generic or no results
- Query unrelated to AI topics may return empty response
- Payment failure (402) if USDC balance insufficient
- Server errors if the underlying NexusAPI service is unavailable
- Malformed request body returns validation 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

Returns a response object containing the FAQ answer or relevant information matching the submitted AI-related query string.

## 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/nexusapi-ai-faq-endpoint-bffb1ae5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nexus-api-peach-nine.vercel.app](https://www.zero.xyz/host/nexus-api-peach-nine.vercel.app/llms.txt)