---
title: "Start subscription (multi-provider) · 0 credits (checkout→URL)"
method: POST
path: "/api/v1/payments/subscribe"
tags: ["Payments"]
---

# Start subscription (multi-provider) · 0 credits (checkout→URL)

`POST /api/v1/payments/subscribe`

## Request

- Base URL: `https://legal.nexusquantum.legal`
- URL: `https://legal.nexusquantum.legal/api/v1/payments/subscribe`
- Auth: HTTP bearer

Multi-provider (Polar hosted / Paddle overlay / NOWPayments invoice). `jurisdiction` optional, validated, no default. Returns `{ url, … }` (provider URL). Provisioning arrives by webhook — does NOT debit. API-ONLY. Scope: mcp | *.

## Request body

- object

## Response `200`

{ url, … }

- object

## Other responses

- `400`: Invalid data.

---

[API](https://skmtc.dev/nexusquantum/apis/nexus-legal-api.md) · [All operations](https://skmtc.dev/nexusquantum/apis/nexus-legal-api/llms.txt) · [OpenAPI document](https://skmtc.dev/nexusquantum/apis/nexus-legal-api/revisions/4084d8d4eb0b?raw)