Blooms
Security
Distribute keys once for serverless applications
No keyCORSHTTPS
Developer Toolbox API
Free REST API with 40+ utilities for developers: UUID generation, QR codes, fake data, URL shortener, JSON tools, hashing, base64, regex tester, JWT decoder, password generator and more. No signup required. 120 req/min free tier.
Checked 4 days ago: not responding
API key
Unconfirmed
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Failing · 13/100
What our checks found
- Health score
- 13/100
- Reliability
- 0%
- Average latency
- 456ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for Developer Toolbox API. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://conway-toolbox-production.up.railway.app/ENDPOINT" \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Where this listing comes from
Aggregated from one public source (freepublicapis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Developer Toolbox API — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is Developer Toolbox API free to use?
Developer Toolbox API is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Does Developer Toolbox API need an API key?
Developer Toolbox API requires some form of authentication. Check the provider's documentation for which scheme it expects.
Can I call Developer Toolbox API from browser JavaScript?
Not directly. Developer Toolbox API did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Is Developer Toolbox API still working?
Not at our last check on 2026-09-18. Developer Toolbox API did not respond successfully, which is why it is marked as down here. This may be temporary; we re-check on a schedule and the badge above reflects the most recent run.
Is Developer Toolbox API available over HTTPS?
Yes. Developer Toolbox API serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.