Free Anti-Malware APIs with no API key
3 Anti-Malware APIs that need no API key, account or credit card. 2 of them also allow CORS, so you can call them straight from browser JavaScript. Listed by uptime and ease of use.
- 1
URLhaus API
Online · 1195 msBulk queries and Download Malware Samples.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 2
ScanMalware API
Online · 706 msScan URLs in a sandboxed browser and search past scans by domain, IP, ASN, JARM or favicon hash.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
IPWhois.net Blacklist API
Online · 1260 msCommunity IP blacklist to check and report abusive IP addresses.
- No API key needed
- HTTPS
No authHTTPSCORS ?
Keyless Anti-Malware APIs compared
| API | API key | HTTPS | CORS | Uptime | Response | Rating |
|---|---|---|---|---|---|---|
| No | Yes | Yes | Up | 1195 ms | Not rated | |
| No | Yes | Yes | Up | 706 ms | Not rated | |
| No | Yes | Unknown | Up | 1260 ms | Not rated |
See also: best Anti-Malware APIs · all 17 Anti-Malware APIs · every API with no key
FAQ
Are there free Anti-Malware APIs without an API key?
Yes. 3 free Anti-Malware APIs need no API key or sign-up, including URLhaus API, ScanMalware API and IPWhois.net Blacklist API. You can send a request straight away.
Which keyless Anti-Malware APIs can I call from JavaScript in the browser?
2 of them also support CORS, including URLhaus API and ScanMalware API, so a plain fetch from a web page works.
Do APIs without a key have limits?
Usually, yes. Keyless APIs typically rate-limit by IP address, so cache responses and avoid tight loops. For production traffic, an API with a free key tier often gives higher, more predictable limits.