Free AI from Omophub
Free AI from Omophub: OMOPHub Free Plan (3,000 requests/month); no credit card needed, not yet verified.
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Omophub has one free offer in the aifree.dev catalog (free tier). OMOPHub Free Plan in one line: 3,000 free OMOPHub medical vocabulary API calls a month. It is listed but not yet verified by a person. It does not ask for a credit card. Built for developers and researchers. An account is required. The vendor publishes no end date. It is filed under coding and API credits. First listed on aifree.dev Nov 2, 2026. Scroll down for the catch, the limits and who can claim it.
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What's free from Omophub
OMOPHub Free Plan · 3,000 requests/month
OMOPHub's free plan gives 3,000 API calls a month to its medical terminology API (SNOMED CT, ICD-10, LOINC, RxNorm and 120+ OMOP vocabularies): concept search, basic semantic search, cross-vocabulary mapping, FHIR terminology, SDKs and an MCP server for AI agents.
The catch: Capped at 3,000 calls a month and 2 requests per second; current vocabulary release and basic semantic search only. SNOMED CT and RxNorm keep their own licence terms.
- 3,000 API calls per month; failed (4xx/5xx) requests are not counted
- Current vocabulary release only; semantic search is the basic version
- Includes the FHIR Terminology Service, FHIR to OMOP resolver, Python / R / TypeScript SDKs and the MCP server
- Rate limit 120 requests per 60 seconds, burst 20 per 10 seconds
- Vocabulary licences still apply: SNOMED CT affiliate licence outside member territories, free UMLS registration for RxNorm
Eligibility
- No credit card needed.
- Needs an account sign-up.
Recent changes
All changes- · Listed: OMOPHub Free Plan
Omophub FAQ
- Do I need a credit card for the free Omophub offer?
- No. OMOPHub Free Plan does not ask for a credit card.
Every section above is built from the offer data; the sitewide changelog lists all changes; follow Omophub's by RSS.