# Gigacatalyst Self-Serve Registration API

**Canonical:** https://apis.io/apis/gigacatalyst/gigacatalyst-self-serve-registration-api/  
**Provider:** Gigacatalyst — https://apis.io/providers/gigacatalyst/  
**Base URL:** https://v2.gigacatalyst.com  
**Documentation:** https://v2.gigacatalyst.com/agent.md

Gigacatalyst Self-Serve Registration API is published by [Gigacatalyst](https://apis.io/providers/gigacatalyst/) on the [APIs.io](https://apis.io/) network. Tagged areas include Agents, Onboarding, Registration, and Artificial Intelligence. The published artifact set on APIs.io includes an API reference, API documentation, and authentication docs.

The one public, unauthenticated operation Gigacatalyst publishes on its own behalf. A coding agent reads the project's API surface, builds a JSON description of it (organization, integrations, tools with inputSchema and outputSchema, safety levels, optional domain documents) and POSTs it to https://v2.gigacatalyst.com/api/self-serve/register, which creates the human's workspace and returns a single-use sign-in URL, an account password, a tool count, and a per-connection credential checklist. The request and response contracts, the validation rules the endpoint enforces, and the auth vocabulary are documented in full in the provider-published agent instructions at https://v2.gigacatalyst.com/agent.md. Verified live: OPTIONS returns 204 with "allow: OPTIONS, POST"; GET returns 405.

## Machine-readable artifacts (7)

- **APIReference** — https://v2.gigacatalyst.com/agent.md
- **Documentation** — https://gigacatalyst.com/self-serve-agent.md
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/gigacatalyst/refs/heads/main/authentication/gigacatalyst-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/gigacatalyst/refs/heads/main/conventions/gigacatalyst-conventions.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/gigacatalyst/refs/heads/main/data-model/gigacatalyst-data-model.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/gigacatalyst/refs/heads/main/errors/gigacatalyst-problem-types.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/gigacatalyst/refs/heads/main/apis.yml

## Tags

Agents, Onboarding, Registration, Artificial Intelligence

---

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