Is API Tool Calls API down?
Current status, daily uptime history and troubleshooting for the API Tool Calls API (Development).
No, API Tool Calls is up
API Tool Calls answered our last daily check (Oct 24, 2026, 12:25 UTC) in 815 ms with HTTP 200.
Checking API Tool Calls now…
Sending a request from our server.
API Tool Calls API uptime history
- Uptime
- 2 checks so far
- Last check
- Oct 24, 2026, 12:25 UTC
- Response
- 815 ms · HTTP 200
- Last up
- Now
We check API Tool Calls's listed URL (https://apitoolcalls.com/api/) once a day. History started when API Tool Calls was first checked, so new entries show fewer than 30 days.
API Tool Calls API not working for you?
- A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
- API Tool Calls doesn't send CORS headers, so browsers block calls made directly from a web page. Call it from your server instead.
- If it works from one network but not another, check firewalls, VPNs and regional blocks.
- Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.
Development APIs up at their last check
- 1

Icanhazip API
Online · 278 msThe family of icanhaz sites help you get more information about your network connection.
- No API key needed
- Fast: 278 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 2
Index Agentica API
Online · 382 msAgent-first directory of skills, MCP servers, tools, protocols and APIs as JSON, markdown, llms.txt.
- No API key needed
- Fast: 382 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
Open VSX API
Online · 270 msSearch and access VS Code extensions from the Open VSX registry.
- No API key needed
- Fast: 270 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
RubyGems API
Online · 360 msRuby gem metadata, versions, dependencies and search.
- No API key needed
- Fast: 360 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 5
Statically API
Online · 324 msA free CDN for developers.
- No API key needed
- Fast: 324 ms response
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Compare all API Tool Calls alternatives · APIs down right now
API Tool Calls API status FAQ
Is API Tool Calls API down right now?
API Tool Calls answered our last daily check (Oct 24, 2026, 12:25 UTC) in 815 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether API Tool Calls is responding at this moment.
How do you check whether API Tool Calls API is up?
Once a day our checker requests API Tool Calls's listed URL (https://apitoolcalls.com/api/) and records whether it answers within 15 seconds. Answers like 401 (needs a key), 403 (blocks bots) or 429 (rate-limited) count as up, because the server responded. The listed URL is often the documentation page, so an API endpoint can occasionally fail while its docs stay up.
What can I use if API Tool Calls API is down?
Free Development APIs that were up at their last check include Icanhazip, Index Agentica, Open VSX. See the full list of API Tool Calls alternatives for a comparison.
Why does API Tool Calls API work for others but not for me?
A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header. API Tool Calls doesn't send CORS headers, so browsers block calls made directly from a web page. Call it from your server instead. If it works from one network but not another, check firewalls, VPNs and regional blocks.