Is Molicheck API down?
Current status, daily uptime history and troubleshooting for the Molicheck API (Science & Math).
No, Molicheck is up
Molicheck answered our last daily check (Nov 15, 2026, 13:58 UTC) in 781 ms with HTTP 200.
Checking Molicheck now…
Sending a request from our server.
Molicheck API uptime history
- Uptime
- 100% of 10 checks
- Last check
- Nov 15, 2026, 13:58 UTC
- Response
- 781 ms · HTTP 200
- Last up
- Now
We check Molicheck's listed URL (https://molicheck.com/api) once a day. History started when Molicheck was first checked, so new entries show fewer than 30 days.
Molicheck API not working for you?
- 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.
Science & Math APIs up at their last check
- 1
Chempirical API
Online · 1100 msChemical 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
CycleCalcs API
Online · 1000 msInterpreted 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
GBIF API
Online · 1168 msGlobal 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 - 4
Macrostrat API
Online · 1499 msGeologic 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 - 5
Botlero API
Online · 704 msSourced, quoted specs for humanoid robots.
- No API key needed
- Returns JSON at its URL
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Molicheck API status FAQ
Is Molicheck API down right now?
Molicheck answered our last daily check (Nov 15, 2026, 13:58 UTC) in 781 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether Molicheck is responding at this moment.
How do you check whether Molicheck API is up?
Once a day our checker requests Molicheck's listed URL (https://molicheck.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.
How reliable is Molicheck API?
Molicheck 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 Molicheck API is down?
Free Science & Math APIs that were up at their last check include Chempirical, CycleCalcs, GBIF. See the full list of Molicheck alternatives for a comparison.
Why does Molicheck 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.