# NIH RxNorm Drug Name Spelling Suggester (via proxy.suverse.io)

> NIH RxNorm Drug Name Spelling Suggester (via proxy.suverse.io) is a paid API for AI agents from proxy.suverse.io, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-13).

Returns spelling-corrected drug name candidates from NIH RxNav for a given misspelled or approximate medication name input.

## Facts

- Endpoint: POST https://proxy.suverse.io/v1/data/suverse-rxnorm-spelling
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nih-rxnorm-drug-name-spelling-suggester-via-proxy-suverse-io-d84c6aac
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_u4B-JDHP27dX-pPyfCTQ4

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 nih-rxnorm-drug-name-spelling-suggester-via-proxy-suverse-io-d84c6aac -d '<json body>'
```

Example prompt: The user typed 'atorvastatin' but it might be misspelled — can you check NIH RxNorm spelling suggestions and return the correct drug name candidates?

## When to prefer this

Choose this endpoint when you need to validate or correct user-supplied medication names against the authoritative NIH RxNorm database without managing your own API key. Ideal for AI agents processing free-text medication input that may contain typos or phonetic spellings. Prefer this over building direct NIH RxNav integration when you want a simple paid-per-call proxy with no credential management.

## Known failure modes

- Empty or ambiguous input returns no suggestions
- Completely unrecognized input strings may return an empty candidate list
- Network or proxy errors return non-200 HTTP responses
- Malformed request body (missing required fields) returns a validation error
- Rate limiting or payment failure (x402) blocks the request

## How this service works

Spelling suggestions for a drug name from NIH RxNav, no key. Returns corrected drug name candidates. For AI agents validating and correcting medication name input.

## Output

A list of corrected drug name candidates returned from NIH RxNav's spelling suggestion service, representing the closest matching medication names to the provided input string.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "bodyType",
    "body"
   ],
   "properties": {
    "body": {
     "properties": {}
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST",
      "PUT",
      "PATCH"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json",
      "form-data",
      "text"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nih-rxnorm-drug-name-spelling-suggester-via-proxy-suverse-io-d84c6aac/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from proxy.suverse.io](https://www.zero.xyz/host/proxy.suverse.io/llms.txt)