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Exepal SERP + AI Answer Monitor
x402
Exepal SERP + AI Answer Monitor is a paid API for AI agents from api.exepal.com, paid per call via x402, $0.7/call, status unknown (last checked 2026-11-01).
Monitors search engine results pages and AI-generated answers (e.g. ChatGPT, Perplexity, Google AI Overviews) for brand and domain visibility across specified keywords, with rank-change tracking via snapshot diffing.
Price / call$0.7
Success—
StatusUnknown
How this service works
Paid single-purpose tools for AI agents: AI brand visibility, creator vetting, company enrichment, ad creative scoring, SERP + AI answer monitoring. Pay per call in USDC on Base via x402. No accounts or API keys.
Output
Returns data on whether the specified brand and domain appear in SERP results and AI-generated answers for each keyword, including visibility scores, mention positions, and — when a previousSnapshot is provided — rank changes and diff information showing what improved or declined since the last check.
Example use cases
Post-launch AI visibility check
“We just launched a rebrand for our product 'Stackwise' at stackwise.io — can you check if we're appearing in AI-generated answers and SERP results for 'project tracker', 'team roadmap tool', and 'agile planning software' in the US in English?”
Competitor brand monitoring
“I want to see if our competitor's brand 'Linear' and their domain linear.app are showing up in AI answers for keywords like 'issue tracker', 'engineering project management', and 'sprint planning tool' in the UK in English.”
Weekly rank-change tracking
“Run the AI answer and SERP visibility check for our brand 'Loom' and loom.com on keywords 'async video messaging', 'screen recorder for teams', and 'video updates tool' in the US in English, and diff it against last week's snapshot so I can see what rankings changed.”
Technical details
Endpoint
POSThttps://api.exepal.com/v1/serp-ai-monitor?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to specifically track a brand's presence in AI-generated answers (ChatGPT, Perplexity, Google AI Overviews) alongside traditional SERP rankings, especially when you want snapshot-based change detection over time. Prefer it over generic SEO tools when the use case is AI answer monitoring or when no API key setup is acceptable and pay-per-call USDC billing via x402 is desired.
Side effects
- Invalid country or language code returns a validation error
- Keywords array exceeding tier cap is truncated or rejected
- Invalid previousSnapshot format causes diff to fail or be skipped
- Brand or domain not found in any results returns empty visibility data
- Payment failure via x402 results in 402 response and no data returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| brand | string | Brand name to look for in AI answers |
| domain | string | Your site, e.g. notion.com |
| country | string | Two-letter country code, e.g. us |
| keywords | array | Keywords to check, capped by the tier |
| language | string | Two-letter language code, e.g. en |
| previousSnapshot | object | A previous response, to get rank changes |
Tags
x402
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