head to head · open source
changedetection.io vs toapi
changedetection.io has 35,461 GitHub stars, 2,194 forks, 385 open issues and last shipped yesterday. toapi has 3,558 stars, 241 forks, 3 open issues and last shipped 2 months ago. changedetection.io leads on adoption by 897% (35,461 vs 3,558 stars). changedetection.io is written in Python under Apache-2.0; toapi is written in Python under MIT. changedetection.io has attracted 6% as many forks as stars, toapi 7%. changedetection.io was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| changedetection.io | toapi | |
|---|---|---|
| GitHub stars | ★ 35K | ★ 3.6K |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-08-27 |
| Forks | ⑂ 2.2K | ⑂ 241 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick changedetection.io if
- You weight community size — 35K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick toapi if
- You want the toapi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and toapi fits your workflow better
About changedetection.io
Detect Website Changes Automatically — Monitor Web Page Changes in Real Time Monitor websites for updates — get notified via Discord, Email, Slack, Telegram, Webhook and many more. Detect web page content changes and get instant alerts. Ideal for monitoring price changes, content edits, conditional changes and more. [![Release Version][release shield]][release link] [![Docker Pulls][docker pulls]][docker link] [![License][license shield]](LICENSE.md) Get started with website page change monitoring straight away. Don't have time? Try our $8.99/month subscription, use our proxies and support! , half the price of…
read the full changedetection.io overview →
About toapi
toapi Turn any website into a JSON API — declaratively. toapi lets you point at a web page, declare the fields you want with CSS selectors, and get back a clean JSON API. No crawler to babysit, no database to maintain — pages are fetched and parsed on demand, with built‑in caching. Install Requires Python 3.10+. Quickstart Run it: Then visit and you get: How it works 1. Route — @api.route("/posts", "/news") maps your API path to a source URL. 2. Fetch — pages are fetched with requests (or a headless browser if you pass browser= ) and cached in memory. 3. Parse — each Item extracts fields with CSS selectors via…
read the full toapi overview →
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Frequently asked questions
Is changedetection.io or toapi more popular?
changedetection.io has 35,461 GitHub stars and toapi has 3,558. changedetection.io has the larger community by that measure.
Are changedetection.io and toapi free?
Both are open source. changedetection.io is licensed under Apache-2.0 and toapi under MIT. Neither carries a licence fee.
What is the difference between changedetection.io and toapi?
changedetection.io is written in Python and toapi in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, changedetection.io or toapi?
Choose changedetection.io if you want the larger community (35,461 stars) or its Apache-2.0 licence terms. Choose toapi if its feature set, stack or MIT licence fits better. Both are self-hostable.