Linkbio API

Real-time Linkbio data, one API call.

lnk.bio pages as JSON — filled socials{}, titled links, id/website. Flat 1 credit.

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.

Start free — 100 credits View documentation →

Endpoints

REST

Protocol

JSON

Response

curl "https://api.captapi.com/v1/linkbio/page?url=https%3A%2F%2Flnk.bio%2Fcharlidamelio" \
  -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. 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 Linkbio API?

lnk.bio pages as JSON — filled socials{}, titled links, id/website. Flat 1 credit. 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

Page

GET /v1/linkbio/page

lnk.bio → id, socials{}, titled links[], website/email/whatsapp, other[]. Flat 1 credit.

1 credit

How it works

1. Sign up — get 100 free credits, no card required.
2. Create a key from your dashboard.
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 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 infrastructure to build or maintain.

What data can I get from the Linkbio API?+

lnk.bio pages as JSON — filled socials{}, titled links, id/website. Flat 1 credit. 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 32 platforms Captapi supports. We handle proxies, rate limits, retries, and parsing for you.

How much does the Linkbio API cost?+

Linkbio endpoints cost between 1 and 1 credits per call, depending on the endpoint. 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. Hits include cached + cachedAt. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d.

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, and upstream fallbacks. Pass cache=true to serve from the 24h cache (0 credits on hit); default is always fresh. Hits include cached + cachedAt. Selected profile endpoints also accept cacheMaxAge=1d|3d|7d|14d|30d. Only successful responses consume credits — failed or empty results are never charged.

Start using the Linkbio API in sixty seconds

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