Test APIs right beside your docs — no tab switching, no desktop apps. A fast, lightweight REST API tester in Chrome's Side Panel.
Users
7
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#227K
#190K among extensions
Version
1.0.0
updated 24 Mar 2026
Users
monthly, 7 months
Latest, 16 Oct 2026:7 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About SideFetch — REST API Tester Side Panel
SideFetch is a REST API client that lives in Chrome's Side Panel. Test APIs right beside your documentation, Stack Overflow answers, or your own app — without switching tabs or opening heavy desktop tools like Postman.
FEATURES:
• Side Panel Testing — Opens in Chrome's Side Panel and stays open as you browse. Read API docs on the left, test endpoints on the right.
• All HTTP Methods — GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS. Send JSON, text, form data, or binary bodies.
• 12 Authentication Types — Bearer Token, Basic Auth, API Key, OAuth 1.0, OAuth 2.0, JWT, Digest, Hawk, AWS Signature V4, NTLM, Akamai EdgeGrid, and more. No more manually constructing auth headers.
• cURL Paste Detection — Copy a cURL command from any docs page, paste it into the URL bar, and SideFetch auto-fills the method, URL, headers, and body instantly.
• AI Error Explanations — Got a 401? 500? CORS error? Click "Explain Error" and get a plain-English explanation with actionable fixes. No more Googling cryptic error messages.
• Collapsible JSON Viewer — Expand and collapse nested JSON responses with syntax highlighting. Search within responses. Copy with one click.
• Request History — Every request is automatically saved. Replay any past request with one click.
• Collections — Organize frequently used endpoints into named collections for quick access.
• Dark & Light Mode — Switch themes to match your preference.
• Keyboard Shortcuts — Hit Cmd+Enter (or Ctrl+Enter) to send requests instantly.
FREE PLAN (forever):
- Unlimited requests with all HTTP methods
- All 12 auth types
- JSON tree viewer + cURL paste
- 50 history items, 3 collections
- 5 AI explanations per day
PRO PLAN ($5.99/month):
- Unlimited history, collections, and AI explanations
- Import & export collections
- Priority support
Your data stays local. API requests go directly from your browser to the target server. History and collections are stored in Chrome's local storage — never sent to our servers.
Questions or feedback? Email support@sidefetch.com
Growth
Window
Users
Change
Ratings
Rating
7 days
+1
+16.7%
0
0.00
30 days
−1
−12.5%
0
0.00
6 months
+6
+600.0%
−1
−5.00
Chrome Web Store search rankings
Where SideFetch — REST API Tester Side Panel appears when people search the store, with the 30 day change