Free fridge water filter data for apps, agents and AI assistants. Read only, no key, no sign up. The same verified data as our pages: fit from appliance maker pages, certifications from public NSF, IAPMO R&T and WQA listings by exact model.
REST endpoints
| Endpoint | What it returns |
|---|---|
GET /api/v1/models/{model} | The genuine filter a fridge model takes, with the maker source, verdict and replacement comparison. Try /api/v1/models/RF28R7201SR |
GET /api/v1/parts/{part} | Full record for a genuine filter: specs, listings, maker fit list. Try /api/v1/parts/HAF-QIN |
GET /api/v1/compare/{part} | Genuine vs replacements, standards per model, verdict. |
GET /api/v1/search?q= | Search part and model numbers. |
OpenAPI: /api/openapi.json. Limit: 60 requests per minute. License: CC BY 4.0, please credit "PartAnswers (partanswers.com)" and link the page_url in each answer.
MCP server
Remote MCP server (streamable HTTP): https://partanswers.com/mcp
Tools: find_filter_for_model, compare_filter_options, get_part_details. Add it to any MCP client as a remote server URL. No authentication.
What the data is, and is not
- Compared and ranked on public certification listings. We do not lab test filters.
- Only models whose fit we confirmed on the maker's own page are included. Anything else returns not found.
- Each listing carries its URL and the date we read it. Certifications change, so check the listing before you rely on it.
- Buy links may earn PartAnswers a commission. That never changes the data.
Bulk download: certification CSV. Method: how we check.