An Anthesia API Est. MMXXVI
MedData
Drug · Supplement · Interaction

Drug and supplement data, served clean.

One API for drug information, supplement data, and interaction checks. Built for healthtech developers.

Start in minutes, not days

A single API call gives you structured drug and supplement data from authoritative government sources.

Request
# Search for a drug by name
curl -H 'X-API-Key: your_api_key' \
  'https://meddata.anthesia.io/api/v1/drugs/search?name=aspirin'
Response
{
  "results": [
    {
      "rxcui": "1191",
      "brand_name": "Bayer Aspirin",
      "generic_name": "aspirin",
      "manufacturer": "Bayer HealthCare",
      "dosage_form": "Tablet",
      "strength": "325 mg"
    }
  ],
  "total": 42,
  "source": "openFDA + RxNorm"
}

Everything you need for health data

Comprehensive drug and supplement data from authoritative sources, delivered through a modern API.

Drug Search

Search 100,000+ drugs by name, RxCUI, or NDC code. Get labels, dosage forms, active ingredients, and adverse event data from authoritative FDA sources.

Supplement Data

120+ supplements with dosages, interactions, and evidence ratings. Sourced from the NIH Office of Dietary Supplements for reliable, evidence-based data.

Interaction Checker

Drug-drug, drug-supplement, and unified interaction checks. Drug-drug data comes from FDA drug labels (openFDA) plus a curated set of major interactions; drug-supplement data from the NIH. Severity ratings on curated interactions and labeled clinical detail included.

Authoritative government databases

All data comes from free, publicly available U.S. government health databases. No proprietary data, no licensing fees.

FDA

openFDA

Drug labels, NDC directory, and adverse event reports from the FDA's public API.

Rx

RxNorm

Normalized drug naming and RxCUI identifiers from the NLM.

NIH

NIH ODS

Dietary supplement fact sheets with dosage, safety, and interaction data from the NIH Office of Dietary Supplements.

Simple, transparent pricing

Start free, scale as you grow. No hidden fees, no long-term contracts.

Free

$0/month
250 API calls / month
  • Drug search & lookup
  • Supplement data
  • Interaction checks
  • Community support
Get a free key

Starter

$29/month
5,000 API calls / month
  • Everything in Free
  • Drug-supplement interactions
  • Commercial use
  • Email support

Business

$199/month
100,000 API calls / month
  • Everything in Growth
  • Custom rate limits
  • SLA guarantee
  • Dedicated support

Enterprise: need more than 100,000 calls a month, custom rate limits, or custom terms? Contact us →

Get your free API key

250 API calls per month, no credit card required. Your key appears right here, and we email a copy too.

Use it from your agent

MedData runs as an MCP server, so Claude, Cursor, and LangChain agents can call it directly. Install it with one command, or connect the hosted server on Smithery. Agents can self-onboard too: the free signup returns the key in the response.

uvx meddata-mcp

Connect on Smithery   ·   View the MCP server

This API provides drug and supplement information for informational purposes only. It is not medical advice. Always consult a qualified healthcare professional. MedData does not sell, dispense, prescribe, or facilitate the purchase of any medication.