# RxNorm Drug Products Lookup

> RxNorm Drug Products Lookup is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).

Returns all RxNorm drug products (dose forms, strengths, and brand names) for a given drug name

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/rx-drugs
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/rxnorm-drug-products-lookup-b1338119
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YSspxPACsIfQzmrZiU_1e

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability rxnorm-drug-products-lookup-b1338119 -d '<json body>'
```

Example prompt: What are all the available dose forms, strengths, and brand names for metformin according to RxNorm?

## When to prefer this

Use this endpoint when you need a comprehensive list of all dose forms, strengths, and brand names for a drug from the authoritative RxNorm database — ideal for clinical decision support, pharmacy lookups, medication reconciliation, or formulary research

## Known failure modes

- Unknown or misspelled drug name returns empty results or 404
- Drug name query parameter missing returns error
- Non-drug queries return no results
- Rare or experimental drugs not in RxNorm database return empty

## How this service works

HEALTH: all RxNorm drug products (dose forms/strengths/brands) for a drug name. ?q=name. Returns JSON.

## Output

A JSON array of RxNorm drug product entries for the queried drug name, each including dose form, strength, and brand/generic name variants

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/rxnorm-drug-products-lookup-b1338119/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)