title: Glossary
description: Key terms and concepts used throughout the Wontopos platform.
Glossary
| Term | Definition |
|---|---|
| API Key | A secret credential (sk_live_... or sk_test_...) used to authenticate requests to the Wontopos API. |
| Gateway | The Wontopos proxy layer that routes API calls from consumers to upstream API providers. |
| Marketplace | The Wontopos catalog where developers discover, compare, and subscribe to APIs. |
| Subscription | An active agreement to access a specific API from the marketplace under a pricing plan. |
| Plan | A pricing tier within a subscription (e.g. Free, Pro, Enterprise) that determines rate limits and features. |
| Scope | A permission that restricts what an API key or OAuth token can access (e.g. marketplace:read). |
| Webhook | An HTTP callback that delivers real-time event notifications to your server when something happens. |
| Rate Limit | A cap on the number of API requests allowed within a time window (per minute or per day). |
| Burst Limit | The maximum number of concurrent requests allowed within a 1-second window. |
| Idempotency Key | A unique identifier included in POST requests to safely retry without duplicating operations. |
| Sandbox | The test environment (sk_test_... keys) that mirrors production but does not process real billing. |
| Cursor | An opaque token used for stable cursor-based pagination through large result sets. |
| OpenAPI | A specification format (formerly Swagger) for describing REST API interfaces, required for marketplace listings. |
| Upstream | The origin API server that a seller registers with the Wontopos gateway. |
| Overage | Requests that exceed the daily plan limit, billed at a per-request rate on Pro plans. |
| Revenue Share | The split between Wontopos (20%) and API sellers (80%) on marketplace revenue. |
| SLA | Service Level Agreement defining uptime guarantees (99.9% for Pro, 99.99% for Enterprise). |
Missing a term?
If you encounter a term not listed here, please reach out via the community Discord or support email.