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Thunderbit
Thunderbit is a web-extraction API built for LLM pipelines, with three endpoints: Distill (page-to-Markdown, cutting token counts 5-10x versus raw HTML), Extract (JSON-Schema-driven field extraction), and Batch (async processing of up to 100 URLs with webhook callbacks). It transparently handles JavaScript rendering, anti-bot walls, and proxy rotation, and offers a free plan alongside its credit-based paid tiers.
AuthenticationAPI KeySign up with the provider to obtain credentials.
HTTPSSupportedTraffic is encrypted in transit.
CORSDisabledBrowser calls need a server-side proxy.
PricingFreemiumA usable free tier exists, with paid plans for more volume.
FormatsMarkdown, JSONResponses can be requested as Markdown or JSON.
GreatAPIs Score
Score81
Authentication15/25API key required
Pricing17/20Freemium tier available
Docs14/20Documentation URL provided
Formats15/15Supports 2 response formats
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/thunderbit/"><img src="https://greatapis.com/badge/thunderbit.svg" alt="Scored 81 on greatapis.com"></a>Auth quickstart
- Sign up with the provider to get an API key.
- Send it on every request as a header
Authorization: <key> - The exact header isn't documented — Authorization is a common default; confirm in the provider's docs.
Stored keyNo key stored
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.