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WebKnox vs Serpbit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

WebKnox compared with Serpbit
DetailWebKnox logo WebKnoxSerpbit logo Serpbit
What it doesAn API that turns chat questions into sourced, typed UI cards Not given
StageEstablished Not given
Founded2011 Not given
Based inDE Not given
Pricing modelFreemium Freemium
PricingFree: $0/month, 50 tokens a day. Starter: $9/month, 1,000 tokens a day. Pro: $49/month, 10,000 tokens a day. Scale: $199/month, 50,000 tokens a day. Token packs: 5,000 tokens for $10, 25,000 tokens for $40, 100,000 tokens for $120. Free plan with 1,000 credits per month. Starter $25/month for 25,000 credits. Developer $75/month for 100,000 credits. Production $150/month for 300,000 credits. Scale $350/month for 800,000 credits. Custom pricing available for 10M+ credits. Per-credit rates: $1.00 per 1,000 credits (Starter), $0.7
Key features
  • Card types for weather, nutrition, recipes, and comparisons
  • Integration with Vercel AI SDK
  • Web component for rendering answer cards
  • Source attribution for all answers
  • Pay only for matched answers, questions are free
  • No user conversation storage or message text logging
  • Versioned card schemas that never break existing code
  • Infrastructure running in Germany
  • Search results with AI Overview, knowledge panels and related questions
  • AI Mode with sources and places
  • Shopping with products, prices, stores and filters
  • Maps with places, ratings, hours and coordinates
  • News articles with source, date and story
  • Images with originals
  • Videos with duration, platform and channel
  • Autocomplete search suggestions
  • Cached queries free within one hour
  • MCP server for AI agents
What makes it different
  • Rich, sourced answer cards instead of text
  • Model sees only text and sources, not the full card
  • User privacy by design with no message storage
  • Works with any AI SDK model that supports tool calling
  • Every search checked for poisoned pages for clean results
  • Ten APIs on one key with unified credits system
  • Results available in JSON, Markdown for LLMs, or raw HTML
  • Drop-in replacement for Google Custom Search API with no daily cap
Community votes00
DR (Domain Rating by Ahrefs)9 +2 (up) since last checkNot checked yet
Trust Flow (Majestic)20
Citation Flow (Majestic)230
Referring domains (Majestic)340

4 details filled in for both companies.

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