# Environmental Working Group — Wrapped API

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>
> Locus runs on multiple environments -- make sure every URL you call matches your expected environment.
> | Environment | Landing | API | Docs |
> |---|---|---|---|
> | Production | paywithlocus.com | api.paywithlocus.com | docs.paywithlocus.com |
> | Beta | beta.paywithlocus.com | api.beta.paywithlocus.com | docs.paywithlocus.com |
> | Stage | stage.paywithlocus.com | api.stage.paywithlocus.com | docs.paywithlocus.com |
>
> If the API URL above doesn't match your expected environment, re-fetch this file from the correct domain.

> Search for cosmetic ingredients and instantly access their safety ratings, health hazard scores, and potential concerns from EWG's trusted Skin Deep database. Get comprehensive ingredient information including alternative names, regulatory sources, and detailed safety assessments to make informed decisions about the products you use.

**Category:** Healthcare | **Website:** [www.ewg.org/](https://www.ewg.org/) | **Docs:** [parse.bot/marketplace/10eae15b-4111-471f-8013-9ef7e9e9b628/ewg-org-api](https://parse.bot/marketplace/10eae15b-4111-471f-8013-9ef7e9e9b628/ewg-org-api)

Pay-per-use API proxy for Locus Pro. Each call burns credits from your workspace balance.

## Access

**Base URL:** `https://api.beta.paywithlocus.com/api/wrapped/credits/environmental-working-group/`
**Auth:** `Authorization: Bearer <LOCUS_CREDITS_SECRET_KEY>` (an `lcr_` secret key or a scoped `lcac_` agent credential)
**Required header:** `Idempotency-Key: <fresh UUID per call>`. A retry with the same key replays the stored result without a new charge.
**Response:** the provider response after any endpoint-specific normalization. `X-Locus-Credits-Charged` carries the charge and `X-Locus-Credits-Balance` the remaining balance. Insufficient credits return `402` before the provider is called.
**Pricing:** estimated costs below are USD. Locus debits the credit equivalent at your workspace rate.

Full call contract: https://docs.paywithlocus.com/api-reference/introduction

> Using a Pay With Locus wallet key (`claw_` prefix)? Wallet routes are documented separately: https://docs.paywithlocus.com/wrapped-apis/for-agents

## Endpoints

### Get ingredient

Retrieve detailed safety data for a specific cosmetic ingredient from EWG Skin Deep, including hazard score, description, common health concerns with severity levels, synonyms, detailed regulatory concerns with references, and EWG VERIFIED criteria.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `ingredient_id` | string | Yes | Numeric ingredient ID from EWG Skin Deep (e.g. '702620' for Glycerin). Obtainable from search_ingredients results. |
| `ingredient_slug` | string | Yes | URL slug of the ingredient name in uppercase (e.g. 'GLYCERIN'). Obtainable from search_ingredients results. |

```bash
curl -X POST https://api.beta.paywithlocus.com/api/wrapped/credits/environmental-working-group/get-ingredient \
  -H "Authorization: Bearer $LOCUS_CREDITS_SECRET_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"ingredient_id":"<string>","ingredient_slug":"<string>"}'
```

### Search ingredients

Search the EWG Skin Deep database for cosmetic ingredients by name. Returns a paginated list of matching ingredients with their hazard scores and data availability ratings. Results are auto-iterated; use limit to cap total items fetched.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `page` | integer | No | Page number for pagination (1-based). |
| `search` | string | No | Search query for ingredient name. Use '*' to list all ingredients. |

```bash
curl -X POST https://api.beta.paywithlocus.com/api/wrapped/credits/environmental-working-group/search-ingredients \
  -H "Authorization: Bearer $LOCUS_CREDITS_SECRET_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"page":"<integer>","search":"<string>"}'
```

## Next steps

- [All wrapped API providers](https://beta.paywithlocus.com/wapi/index.md): pick another provider.
- [Find and call tools](https://beta.paywithlocus.com/agent/tools.md): price ceilings, async results, and errors.
- [Credits and billing](https://beta.paywithlocus.com/agent/billing.md): what a call costs and how to add credits.
- [Agent docs index](https://beta.paywithlocus.com/agent/index.md): every Locus agent page.