Website API

Real-time Website data, one API call.

Business website contacts — role emails, E.164 phones, social profiles. 1 credit when found, 0 when not.

The Website API from Captapi gives developers reliable access to public Website data without building or maintaining scrapers — send one authenticated request and get clean, structured JSON back.

1
Endpoints
REST
Protocol
JSON
Response
curl "https://api.captapi.com/v1/website/contacts?url=https%3A%2F%2Fatxfamilydental.com" \
  -H "Authorization: Bearer capt_live_..."
TL;DR
The Website API returns public Website data as clean, structured JSON — 1 REST endpoint behind one Bearer key. No OAuth, no scrapers to maintain. Pass cache=true for a free 24h cache hit; by default every call is fresh. Start with 100 free credits — no credit card.

What is the Website API?

Business website contacts — role emails, E.164 phones, social profiles. 1 credit when found, 0 when not. Every endpoint is a single authenticated GET request that responds with predictable JSON, so the data drops straight into dashboards, AI pipelines, RAG systems, and no-code automations. AI agents can call the same endpoints as MCP tools via @captapi/mcp.

Endpoints

What you can do with the Website API

How it works

  1. 1. Sign up — get 100 free credits, no card required.
  2. 2. Create a key from your dashboard.
  3. 3. Call any endpoint above with Authorization: Bearer capt_live_... and parse the JSON response. Pass cache=true to reuse a prior response from the 24h cache at no cost.

Frequently asked questions

What is the Website API?+

The Website API is a REST API from Captapi that returns public Website data as clean, structured JSON. It covers 1 endpoint — Contacts — behind one Bearer API key, with no OAuth flow and no infrastructure to build or maintain.

What data can I get from the Website API?+

Business website contacts — role emails, E.164 phones, social profiles. 1 credit when found, 0 when not. Each endpoint is a single GET request that responds with predictable JSON fields, so the data is ready for dashboards, AI pipelines, and automations.

Do I need a Website developer account or OAuth?+

No. You only need a Captapi key (capt_live_...), sent as an Authorization: Bearer header. The same key works across all 34 platforms Captapi supports. We handle access, rate limits, retries, and parsing for you.

How much does the Website API cost?+

A call that finds at least one email, phone or social profile costs 1 credit. An empty result costs 0, a robots.txt block (blockedByRobots: true) costs 0, and failures cost 0. New accounts start with 100 free credits (no credit card). Pass cache=true to serve from the 24h cache (0 credits on hit); default is always fresh. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d.

Can AI agents use the Website API?+

Yes. Every Website endpoint is exposed as a tool in the official MCP server (@captapi/mcp) for Claude, Cursor, and VS Code, and is also available through the @captapi/cli CLI and the n8n-nodes-captapi community node.

Is the Website API suitable for production use?+

Yes. It is a REST API with predictable JSON: every key is always present, lists are [] and social networks are null when nothing is found. Sites that refuse automated access return 502 SITE_BLOCKED and sites that time out return 503 UPSTREAM_UNAVAILABLE, both at 0 credits. Pass cache=true to serve from the 24h cache (0 credits on hit); default is always fresh. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d.

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Start using the Website API in sixty seconds

Sign up, grab your API key, and make your first request. 100 credits on the house — no credit card.

Website API — Real-time Website Data via REST — Captapi