# x402 Toolbox Drug Label Lookup

> x402 Toolbox Drug Label Lookup is a paid API for AI agents from x402-toolbox.shablony-pro.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-29).

Looks up FDA drug label information for a given drug, returning structured labeling data such as indications, warnings, and dosage instructions.

## Facts

- Endpoint: GET https://x402-toolbox.shablony-pro.workers.dev/health/drug-label-lookup?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-toolbox-drug-label-lookup-894f430d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_l9-U60aiPmebak1JRRYLm

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 x402-toolbox-drug-label-lookup-894f430d
```

Example prompt: Can you look up the official FDA drug label for metformin, including its indications, warnings, and dosage guidelines?

## When to prefer this

Choose this endpoint when you need fast, pay-per-call access to FDA drug label information without API key registration. Ideal for AI agents performing medication safety checks, patient education, or formulary lookups at low cost ($0.002/call) using USDC on Base via x402 protocol. Prefer this over direct FDA API calls when you need a standardized, agent-friendly interface with micropayment-based access.

## Known failure modes

- Drug name not found in FDA database — returns error or empty result
- Invalid or missing schema parameter — may return malformed response
- Payment not completed via x402 — returns 402 Payment Required
- Network timeout from upstream FDA OpenFDA API
- Ambiguous drug name matching multiple products — may return first match or require disambiguation

## How this service works

309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.

## Output

Returns a JSON object with ok and paid status flags, along with structured FDA drug label data for the queried drug, which may include sections such as indications and usage, dosage and administration, warnings and precautions, contraindications, adverse reactions, and drug interactions.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "schema": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "paid": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-toolbox-drug-label-lookup-894f430d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-toolbox.shablony-pro.workers.dev](https://www.zero.xyz/host/x402-toolbox.shablony-pro.workers.dev/llms.txt)