# wsystem-dev Billing API

**Canonical:** https://apis.io/apis/wsystem-dev/wsystem-dev-billing-api/  
**Provider:** wsystem-dev — https://apis.io/providers/wsystem-dev/  
**Base URL:** https://api.wsystem.dev  
**Documentation:** https://api.wsystem.dev/docs

wsystem-dev Billing API is one of 8 APIs that [wsystem-dev](https://apis.io/providers/wsystem-dev/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Billing. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The Billing API from wsystem-dev — 3 operation(s) for billing.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| GET | `/billing/plans` | Monthly API-key plans |
| GET | `/billing/usage` | Your API key's plan, monthly quota and units used (free; no units consumed) |
| POST | `/billing/checkout` | Start Stripe Checkout for a monthly plan |

## Machine-readable artifacts (8)

- **OpenAPI** — https://artifacts.apis.io/wsystem-dev/openapi/wsystem-dev-billing-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/wsystem-dev/json-schema/wsystem-dev-mandate-in-schema.json
- **JSONSchema** — https://artifacts.apis.io/wsystem-dev/json-schema/wsystem-dev-checkout-req-schema.json
- **JSONSchema** — https://artifacts.apis.io/wsystem-dev/json-schema/wsystem-dev-kyb-check-schema.json
- **JSONSchema** — https://artifacts.apis.io/wsystem-dev/json-schema/wsystem-dev-ddreport-schema.json
- **JSONSchema** — https://artifacts.apis.io/wsystem-dev/json-schema/wsystem-dev-company-batch-schema.json
- **JSONSchema** — https://artifacts.apis.io/wsystem-dev/json-schema/wsystem-dev-sanctions-batch-schema.json
- **APIsJSON** — https://artifacts.apis.io/wsystem-dev/apis.yml

## Other wsystem-dev APIs (7)

- [wsystem-dev Company API](https://apis.io/apis/wsystem-dev/wsystem-dev-company-api/)
- [wsystem-dev E Invoice API](https://apis.io/apis/wsystem-dev/wsystem-dev-e-invoice-api/)
- [wsystem-dev EORI API](https://apis.io/apis/wsystem-dev/wsystem-dev-eori-api/)
- [wsystem-dev Health API](https://apis.io/apis/wsystem-dev/wsystem-dev-health-api/)
- [wsystem-dev KYB API](https://apis.io/apis/wsystem-dev/wsystem-dev-kyb-api/)
- [wsystem-dev Sanctions API](https://apis.io/apis/wsystem-dev/wsystem-dev-sanctions-api/)
- [wsystem-dev VAT API](https://apis.io/apis/wsystem-dev/wsystem-dev-vat-api/)

## Tags

Billing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/wsystem-dev/wsystem-dev-billing-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/wsystem-dev/.