# RxNorm Fuzzy Drug Name Matcher

> RxNorm Fuzzy Drug Name Matcher is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).

Returns best-matching RxNorm drug concepts for a misspelled or approximate drug name query

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/rx-spell
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/rxnorm-fuzzy-drug-name-matcher-8cbc0832
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_XLhDUQcwuNzvXAmmNTo35

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-fuzzy-drug-name-matcher-8cbc0832 -d '<json body>'
```

Example prompt: Can you look up the correct RxNorm drug concept for 'amoxicilin' — I think I'm spelling it wrong and need the standardized name and ID?

## When to prefer this

Use this endpoint when you need to resolve a misspelled, phonetically similar, or approximate drug name to its official RxNorm concept — ideal for patient-facing apps, clinical data entry correction, NLP pipelines processing free-text medication mentions, or any workflow that needs to normalize non-standard drug name inputs to RxNorm identifiers.

## Known failure modes

- Empty or missing query parameter returns error or empty results
- Query with no close drug name matches returns empty array
- Network timeout or service unavailability returns HTTP 5xx
- Payment failure (x402) blocks access to results
- Extremely ambiguous terms may return low-confidence or unrelated concepts

## How this service works

HEALTH: fuzzy drug-name matcher — best RxNorm concepts for a misspelled/approximate term. ?q=term. Returns JSON.

## Output

A JSON array of best-matching RxNorm drug concepts for the queried term, including standardized drug names, RxNorm concept identifiers (RxCUIs), and likely relevance or match scores for approximate or misspelled inputs.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/rxnorm-fuzzy-drug-name-matcher-8cbc0832/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)