# FastAF Billing API

**Canonical:** https://apis.io/apis/fastaf/fastaf-billing-api/  
**Provider:** FastAF — https://apis.io/providers/fastaf/  
**Base URL:** https://api.fastaf.co  
**Documentation:** https://fastaf.co/docs/

FastAF Billing API is one of 27 APIs that [FastAF](https://apis.io/providers/fastaf/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 4 JSON Schema definitions. Tagged areas include billing. The published artifact set on APIs.io includes an OpenAPI specification and 4 JSON Schemas.

The billing API from FastAF — 1 operation(s) for billing.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/x402/topup` | Buy a credit pack for the API key's account over x402 |

## Machine-readable artifacts (5)

- **OpenAPI** — https://artifacts.apis.io/fastaf/openapi/fastaf-billing-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/fastaf/json-schema/fastaf-request-log-entry-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastaf/json-schema/fastaf-usage-day-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastaf/json-schema/fastaf-created-api-key-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastaf/json-schema/fastaf-api-key-schema.json

## Other FastAF APIs (12)

- [FastAF Account API](https://apis.io/apis/fastaf/fastaf-account-api/)
- [FastAF AI API](https://apis.io/apis/fastaf/fastaf-ai-api/)
- [FastAF Amazon API](https://apis.io/apis/fastaf/fastaf-amazon-api/)
- [FastAF eBay API](https://apis.io/apis/fastaf/fastaf-ebay-api/)
- [FastAF Ecommerce API](https://apis.io/apis/fastaf/fastaf-ecommerce-api/)
- [FastAF Jobs API](https://apis.io/apis/fastaf/fastaf-jobs-api/)
- [FastAF Maps API](https://apis.io/apis/fastaf/fastaf-maps-api/)
- [FastAF News API](https://apis.io/apis/fastaf/fastaf-news-api/)
- [FastAF Real Estate API](https://apis.io/apis/fastaf/fastaf-real-estate-api/)
- [FastAF Research API](https://apis.io/apis/fastaf/fastaf-research-api/)
- [FastAF Scholar API](https://apis.io/apis/fastaf/fastaf-scholar-api/)
- [FastAF Scrape API](https://apis.io/apis/fastaf/fastaf-scrape-api/)

## Tags

billing

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