# GEN Billing API

**Canonical:** https://apis.io/apis/gen-pro/gen-pro-billing-api/  
**Provider:** GEN — https://apis.io/providers/gen-pro/  
**Base URL:** https://api.gen.pro/v1  
**Documentation:** https://gen.pro/docs

GEN Billing API is one of 27 APIs that [GEN](https://apis.io/providers/gen-pro/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Billing. The published artifact set on APIs.io includes an OpenAPI specification.

Credit balance, plans, transactions, and credit purchase flows.

## Operations (6)

| Method | Path | Summary |
|---|---|---|
| GET | `/credit_balance` | Discover — capabilities |
| GET | `/credit_plans` | Discover — plans |
| GET | `/credit_transactions` | Discover — usage |
| POST | `/payment` | Buy credits and manage credit purchases — buy credits |
| POST | `/seat_checkout` | Manage workspaces, API keys, preferences, and backups — start seat checkout |
| POST | `/subscription_upgrade` | Manage workspaces, API keys, preferences, and backups — upgrade workspace |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/gen-pro/openapi/gen-pro-billing-api-openapi.yml

## Other GEN APIs (12)

- [GEN Agent Chat API](https://apis.io/apis/gen-pro/gen-pro-agent-chat-api/)
- [GEN Agent Core API](https://apis.io/apis/gen-pro/gen-pro-agent-core-api/)
- [GEN Agent Profile API](https://apis.io/apis/gen-pro/gen-pro-agent-profile-api/)
- [GEN Agent Voice API](https://apis.io/apis/gen-pro/gen-pro-agent-voice-api/)
- [GEN Agents API](https://apis.io/apis/gen-pro/gen-pro-agents-api/)
- [GEN API Keys API](https://apis.io/apis/gen-pro/gen-pro-api-keys-api/)
- [GEN Asset Libraries API](https://apis.io/apis/gen-pro/gen-pro-asset-libraries-api/)
- [GEN Cells API](https://apis.io/apis/gen-pro/gen-pro-cells-api/)
- [GEN Characters API](https://apis.io/apis/gen-pro/gen-pro-characters-api/)
- [GEN Columns API](https://apis.io/apis/gen-pro/gen-pro-columns-api/)
- [GEN Content Monitoring API](https://apis.io/apis/gen-pro/gen-pro-content-monitoring-api/)
- [GEN Content Resources API](https://apis.io/apis/gen-pro/gen-pro-content-resources-api/)

## Tags

Billing

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