# fastmetal-ai core API

**Canonical:** https://apis.io/apis/fastmetal-ai/core-api/  
**Provider:** fastmetal-ai — https://apis.io/providers/fastmetal-ai/  
**Base URL:** https://api.fastmetal.ai  
**Documentation:** https://fastmetal.ai/docs/anthropic

fastmetal-ai core API is one of 4 APIs that [fastmetal-ai](https://apis.io/providers/fastmetal-ai/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 5 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 5 JSON Schemas.

fastmetal-ai core API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist (2026-10-30); not the provider's own document.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| GET | `/key/info` | GET /key/info |
| POST | `/v1/completions` | Creates a completion for the provided prompt. |
| POST | `/v1/messages` | Send a structured list of input messages and receive a model-generated message. |
| POST | `/v1/messages/count_tokens` | Count the number of tokens in a message without generating a response. |

## Machine-readable artifacts (6)

- **OpenAPI** — https://artifacts.apis.io/fastmetal-ai/openapi/_ae-authored/fastmetal-ai-core-openapi-generated.yml
- **JSONSchema** — https://artifacts.apis.io/fastmetal-ai/json-schema/fastmetal-ai-post-v1-messages-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastmetal-ai/json-schema/fastmetal-ai-post-v1-messages-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastmetal-ai/json-schema/fastmetal-ai-post-v1-completions-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastmetal-ai/json-schema/fastmetal-ai-post-v1-messages-count-tokens-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/fastmetal-ai/json-schema/fastmetal-ai-get-key-info-response-schema.json

## Other fastmetal-ai APIs (3)

- [FastMetal AI API](https://apis.io/apis/fastmetal-ai/fastmetal-ai-api/)
- [fastmetal-ai api API](https://apis.io/apis/fastmetal-ai/api-api/)
- [fastmetal-ai All guides API](https://apis.io/apis/fastmetal-ai/guides-api/)

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