# Black Flag Alert Open API v2 API

**Canonical:** https://apis.io/apis/blackflagalert-com/black-flag-alert-open-api-v2-api/  
**Provider:** Black Flag Alert — https://apis.io/providers/blackflagalert-com/  
**Base URL:** https://blackflagalert.com  
**Documentation:** https://blackflagalert.com/developers

Black Flag Alert Open API v2 API is one of 2 APIs that [Black Flag Alert](https://apis.io/providers/blackflagalert-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 2 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 2 JSON Schemas.

England & Wales company credit-risk intelligence for AI agents and integrations. R-Score (0-100) combines filed accounts, filing behaviour, charges, CCJs and winding-up activity into one number. Auth: X-API-Key header. Always send a custom User-Agent header (default Python-urllib is blocked with 403

## Operations (7)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/v2/signup` | V2 Signup |
| GET | `/api/v2/company/{company_number}` | V2 Company |
| GET | `/api/v2/company/{company_number}/narrative` | V2 Narrative |
| GET | `/api/v2/contacts/{company_number}` | V2 Contacts |
| POST | `/api/v2/batch` | V2 Batch |
| GET | `/api/v2/usage` | V2 Usage |
| GET | `/api/v2/health` | V2 Health |

## Machine-readable artifacts (3)

- **OpenAPI** — https://artifacts.apis.io/blackflagalert-com/openapi/_original/blackflagalert-com-api-openapi.json
- **JSONSchema** — https://artifacts.apis.io/blackflagalert-com/json-schema/blackflagalert-com-signup-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/blackflagalert-com/json-schema/blackflagalert-com-batch-request-schema.json

## Other Black Flag Alert APIs (1)

- [Black Flag Alert API](https://apis.io/apis/blackflagalert-com/black-flag-alert-api/)

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/blackflagalert-com/black-flag-alert-open-api-v2-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/blackflagalert-com/.