Open Primitive API

Domains

Flights FAA + Weather

Live airline delays and hub weather for 8 US carriers.

GET /v1/flights

GET /v1/flights/DL

Cars NHTSA

Crash safety ratings and recalls for any US vehicle.

GET /v1/cars?year=2024&make=Toyota&model=Camry

Food FDA

Active food recalls. Search by product or brand.

GET /v1/food

GET /v1/food?q=peanut+butter

Water EPA

Drinking water systems and violations by ZIP code.

GET /v1/water?zip=10001

GET /v1/water/NY0000001

Drugs FDA FAERS

Adverse events, top reactions, and label warnings.

GET /v1/drugs?name=ibuprofen

Hospitals CMS

Quality ratings, mortality, readmissions, patient experience.

GET /v1/hospitals?q=mayo+clinic

GET /v1/hospitals?id=010001

Health PubMed

Research evidence for supplements and health claims.

GET /v1/health?q=vitamin+d

Get started

      # Every response includes source, freshness, and domain metadata

      curl -H "X-API-Key: YOUR_KEY" https://api.openprimitive.com/v1/flights

      # Or pass the key as a query parameter

      curl https://api.openprimitive.com/v1/drugs?name=metformin&api_key=YOUR_KEY

For AI agents

Open Primitive runs as an MCP server. Point Claude, GPT, or any MCP-compatible agent at it.

      // claude_desktop_config.json

      {

        "mcpServers": {

          "open-primitive": {

            "command": "node",

            "args": ["/path/to/open-primitive-api/mcp.js"]

          }

        }

      }

Response shape

Every endpoint returns the same envelope. Agents can rely on it.

      {

        "domain": "flights",

        "source": "FAA NAS + Open-Meteo",

        "source_url": "https://nasstatus.faa.gov",

        "freshness": "2026-03-19T14:30:00.000Z",

        // ... domain-specific data

      }