Linkbio API

Real-time Linkbio data, one API call.

Extract public Linkbio page links and profile metadata.

The Linkbio API from Captapi gives developers reliable access to public Linkbio 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/linkbio/page?url=https%3A%2F%2Flnk.bio%2Fexample" \
  -H "Authorization: Bearer capt_live_..."
TL;DR
The Linkbio API returns public Linkbio data as clean, structured JSON — 1 REST endpoint behind one Bearer key. No OAuth, no scrapers to maintain, results cached for 24 hours (repeat calls are free). Start with 100 free credits — no credit card.

What is the Linkbio API?

Extract public Linkbio page links and profile metadata. 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 Linkbio 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. Repeat calls are served from cache for free.

Frequently asked questions

What is the Linkbio API?+

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

What data can I get from the Linkbio API?+

Extract public Linkbio page links and profile metadata. 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 Linkbio 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 29 platforms Captapi supports. We handle proxies, rate limits, retries, and parsing for you.

How much does the Linkbio API cost?+

Linkbio endpoints cost between 4 and 4 credits per call, depending on the endpoint. New accounts start with 100 free credits (no credit card), and repeat calls are served from a 24-hour cache for 0 credits.

Can AI agents use the Linkbio API?+

Yes. Every Linkbio 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, an n8n community node, a Make.com app, and an Apify Actor.

Is the Linkbio API suitable for production use?+

Yes. It is a stable REST API with predictable JSON, automatic retries, upstream fallbacks, and a shared 24-hour cache. Only successful responses consume credits — failed or empty results are never charged.

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Start using the Linkbio API in sixty seconds

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