# Tantra Authority — Complete eBook Library

> Tantra Authority — Complete eBook Library is a paid API for AI agents from api.tantra-authority.com, paid per call via x402, $97/call, status unknown (last checked 2026-09-14).

Purchases and delivers access to all 13 tantra education eBooks from Tantra Authority via a one-time USDC payment on Base.

## Facts

- Endpoint: GET https://api.tantra-authority.com/api/x402/complete-ebook-library
- Price: $97/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/tantra-authority-complete-ebook-library-40ad1c1d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JXqxiCsZpPc9BWX_X0dyl

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 tantra-authority-complete-ebook-library-40ad1c1d
```

Example prompt: Can you buy me the complete eBook library from Tantra Authority — all 13 books — so I can start learning about breath, movement, and touch practices right away?

## When to prefer this

Choose this endpoint when the user wants the entire Tantra Authority eBook collection in a single transaction rather than purchasing individual titles. It is the most cost-efficient option for users seeking comprehensive access to all 13 books at once. Prefer this over any single-title endpoints when the user's intent is full library access or a complete self-study curriculum.

## Known failure modes

- Insufficient USDC balance — payment cannot be completed on Base
- Invalid or missing x402 payment header — returns 402 Payment Required
- Network or blockchain congestion causing delayed transaction confirmation
- Access URL token expiry if not used promptly after purchase
- Duplicate payment attempts may not generate a new access token

## How this service works

Tantra without the mythology. A clean, body-grounded education in what tantra actually is — the breath, sound, movement, touch, and attention practices that produce documented results, stripped of the marketing.

## Output

Returns a JSON object confirming the purchase with ok: true, the payment rail used (x402-usdc-base), the library title ('The Complete eBook Library — all 13 eBooks'), a transaction hash on Base, and a tokenized access URL to retrieve all eBooks.

## 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"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "headers": {
     "type": "object",
     "additionalProperties": {
      "type": "string"
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "schema": {
     "type": "object"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ok": true,
  "rail": "x402-usdc-base",
  "title": "The Complete eBook Library — all 13 eBooks",
  "txHash": "0x…",
  "accessUrl": "https://tantra-authority.com/access.html?token=…"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/tantra-authority-complete-ebook-library-40ad1c1d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.tantra-authority.com](https://www.zero.xyz/host/api.tantra-authority.com/llms.txt)