# NexusAPI SEO Keyword Research

> NexusAPI SEO Keyword Research is a paid API for AI agents from nexus-api-peach-nine.vercel.app, paid per call via x402, $0.195451/call, status unknown (last checked 2026-09-14).

Generates SEO keyword suggestions and related search terms for a given query or topic

## Facts

- Endpoint: POST https://nexus-api-peach-nine.vercel.app/api/ai/seo/keywords
- Price: $0.195451/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nexusapi-seo-keyword-research-e9b7230a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_2D4hgrDN5ngWQl62HMamK

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-seo-keyword-research-e9b7230a -d '<json body>'
```

Example prompt: Can you give me SEO keyword suggestions for the topic 'home espresso machines' so I can optimize my product page?

## When to prefer this

Use this endpoint when you need quick, pay-per-call SEO keyword ideas without setting up a dedicated SEO tool account. Ideal for agents automating content strategy, blog post planning, or on-page SEO optimization tasks where no API key management is desired.

## Known failure modes

- Empty or missing query field returns an error or empty keyword list
- Overly vague query may return generic or low-value keywords
- Service may be rate-limited or return 402 if payment fails
- Response schema is loosely defined so keyword structure may vary
- Query in a niche language or domain may return poor results

## 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 set of SEO keyword suggestions and related search terms derived from the input query, useful for content planning, on-page optimization, and search engine ranking strategy.

## 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-seo-keyword-research-e9b7230a/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)