# 31 OpenAPI

**Canonical:** https://apis.io/apis/31huiyi/31huiyi-openapi/  
**Provider:** 31huiyi — https://apis.io/providers/31huiyi/  
**Base URL:** https://31api.31huiyi.com  
**Documentation:** https://api-help.31huiyi.com/zh/home

31 OpenAPI is published by [31huiyi](https://apis.io/providers/31huiyi/) on the [APIs.io](https://apis.io/) network. Tagged areas include Event, Registration, Check-in, Scheduling, and Exhibitions. The published artifact set on APIs.io includes API documentation, an API reference, a getting-started guide, authentication docs, and rate-limit docs.

The 31huiyi (31会议) OpenAPI — an OAuth 2.0 bearer-protected REST surface documented in the public developer center at api-help.31huiyi.com. It exposes attendee registration and lifecycle, check-in, schedules and venues, speakers, exhibitors and badges, tickets and orders, reception and hotels, form center, file upload, identity verification, SSO account creation and CMS content. All business operations are POST (a small number are GET) against https://31api.31huiyi.com under the /op/ prefix; a /op/notoken/ prefix marks the operations that do not require a user token.

## Machine-readable artifacts (14)

- **Documentation** — https://api-help.31huiyi.com/zh/home
- **APIReference** — https://api-help.31huiyi.com/zh/home
- **GettingStarted** — https://api-help.31huiyi.com/zh/oauth
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/authentication/31huiyi-authentication.yml
- **OAuthScopes** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/scopes/31huiyi-scopes.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/conventions/31huiyi-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/errors/31huiyi-error-codes.yml
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/asyncapi/31huiyi-webhooks.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/data-model/31huiyi-data-model.yml
- **Postman** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/postman/31huiyi-openapi.postman_collection.json
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/sandbox/31huiyi-sandbox.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/rate-limits/31huiyi-rate-limits.yml
- **X-MCPServerCandidate** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/mcp/31huiyi-mcp.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/31huiyi/refs/heads/main/apis.yml

## Tags

Event, Registration, Check-in, Scheduling, Exhibitions

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/31huiyi/31huiyi-openapi/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/31huiyi/.