Skip to contentAPILayer: production APIs with free plansExplore APILayer
Toolalize logo

Is Toolalize API down?

Current status, daily uptime history and troubleshooting for the Toolalize API (Science & Math).

No, Toolalize is up

Toolalize answered our last daily check (Nov 15, 2026, 13:58 UTC) in 1704 ms with HTTP 200.

Checking Toolalize now…

Sending a request from our server.

Toolalize API uptime history

30 days agoLatest check
Uptime
100% of 10 checks
Last check
Nov 15, 2026, 13:58 UTC
Response
1704 ms · HTTP 200
Last up
Now

We check Toolalize's listed URL (https://toolalize.com/openapi.json) once a day. History started when Toolalize was first checked, so new entries show fewer than 30 days.

Toolalize API not working for you?

  1. A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
  2. If it works from one network but not another, check firewalls, VPNs and regional blocks.
  3. Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.

Science & Math APIs up at their last check

  1. 1Chempirical logo

    Chempirical API

    Online · 1100 ms

    Chemical compounds with physical data, reactions and substructure search.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  2. 2CycleCalcs logo

    CycleCalcs API

    Online · 1000 ms

    Interpreted astronomy: sun and moon times, moon phases, planets, eclipses, seasons.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  3. 3Molicheck logo

    Molicheck API

    Online · 781 ms

    Anonymous JSON lab/GMP calculators (molarity, dilution, ICH limits); no API key.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  4. 4GBIF logo

    GBIF API

    Online · 1168 ms

    Global Biodiversity Information Facility. A free science & math API by gbif.org.

    • No API key needed
    • 100% uptime (30 days)
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  5. 5Macrostrat logo

    Macrostrat API

    Online · 1499 ms

    Geologic maps, rock columns and stratigraphy data.

    • No API key needed
    • 100% uptime (30 days)
    • Returns JSON at its URL
    • Callable from the browser (CORS)
    No authHTTPSCORS

Compare all Toolalize alternatives · APIs down right now

Toolalize API status FAQ

Is Toolalize API down right now?

Toolalize answered our last daily check (Nov 15, 2026, 13:58 UTC) in 1704 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether Toolalize is responding at this moment.

How do you check whether Toolalize API is up?

Once a day our checker requests Toolalize's listed URL (https://toolalize.com/openapi.json) 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.

How reliable is Toolalize API?

Toolalize answered 100% of our last 10 daily checks. Above 99% is excellent for a free API; below 95% means you should cache responses and keep a fallback ready.

What can I use if Toolalize API is down?

Free Science & Math APIs that were up at their last check include Chempirical, CycleCalcs, Molicheck. See the full list of Toolalize alternatives for a comparison.

Why does Toolalize 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. 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.