# Wikisource — Wrapped API

> **You are on:** `https://api.beta.paywithlocus.com/api` | [llms.txt](https://beta.paywithlocus.com/llms.txt) | [docs](https://docs.paywithlocus.com)
>
> 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.

> Access the complete text of James Legge's 1891 translation of the Tao Te Ching, retrieving individual chapters or browsing the full collection to study this classic philosophical work. Explore all 81 chapters of this foundational text with reliable, organized access to one of the most respected English translations.

**Category:** Education | **Website:** [en.wikisource.org/wiki/Tao_Te_Ching_(Legge)](https://en.wikisource.org/wiki/Tao_Te_Ching_(Legge)) | **Docs:** [parse.bot/marketplace/6367d052-50ca-4061-b76a-3a857edd8c3c/en-wikisource-org-api](https://parse.bot/marketplace/6367d052-50ca-4061-b76a-3a857edd8c3c/en-wikisource-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/wikisource/`
**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 chapter

Returns a single chapter of the Tao Te Ching by chapter number. Includes the chapter number and full verbatim text from James Legge's translation.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `chapter` | integer | Yes | Chapter number (1-81). |

```bash
curl -X POST https://api.beta.paywithlocus.com/api/wrapped/credits/wikisource/get-chapter \
  -H "Authorization: Bearer $LOCUS_CREDITS_SECRET_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"chapter":"<integer>"}'
```

### Get chapters

Returns all 81 chapters of the Tao Te Ching in James Legge's translation. Each chapter includes the chapter number and full verbatim text. Makes a single request to Wikisource's API.

**Estimated cost:** Metered

_No parameters required._

```bash
curl -X POST https://api.beta.paywithlocus.com/api/wrapped/credits/wikisource/get-chapters \
  -H "Authorization: Bearer $LOCUS_CREDITS_SECRET_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{}'
```

## 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.