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Diffbot

SaaS

Diffbot is a commercial AI web extraction service and knowledge graph API that turns web pages into structured data for applications and AI agents.

diffbot.com
Diffbot homepage screenshot

About Diffbot

Diffbot is an API company that converts the public web into structured knowledge. Its extraction tools classify a page and return structured JSON from a single URL, and its knowledge graph is meant to give AI systems verified facts instead of raw markdown.

The vendor offers documentation, setup instructions and skills for AI agents, with sample workflows such as building a sales brief, financial due diligence, mapping a network and planning a migration. It has also introduced a Web Search API backed by its own index, with an option to self-host a compact version of that index on your own hardware and run search offline.

Diffbot is a commercial service with signup, documentation and a pricing page.

Key features

  • Extract structured JSON from a single URL
  • Knowledge graph of web facts
  • Web search API with self-hosting option
  • Skills and setup for AI agents
  • Page classification and extraction

Good fit for

  • →Grounding AI agents on verified web facts
  • →Building sales briefs from public web data
Tags
web-extraction
knowledge-graph
api
ai
web-search
structured-data
scraping

Diffbot: questions and answers

What is Diffbot used for?
Diffbot is a commercial AI web extraction service and knowledge graph API that turns web pages into structured data for applications and AI agents. It is a good fit for grounding AI agents on verified web facts and building sales briefs from public web data.
Is Diffbot free?
Yes. Diffbot has a free plan. A free plan gives 10,000 credits a month. Startup costs $299 and Plus $899 a month with included credits and per-credit overage; Enterprise is custom.
Is Diffbot open source?
No. Diffbot is proprietary (closed-source) software. Open-source alternatives to Diffbot include Anakin and Maxun.
Can I self-host Diffbot?
Yes. Although Diffbot is closed source, it can be self-hosted on your own servers, and the vendor also offers a hosted version.
What are some alternatives to Diffbot?
Diffbot competes with Zyte, Bright Data and Apify. For open-source options, see Enlisted's ranked list of open-source Diffbot alternatives.

Open-source alternatives to Diffbot

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