# 51offer

**Canonical:** https://apis.io/providers/51offer/  
**Website:** https://www.51offer.com/  
**APIs profiled:** 26

51offer (Shanghai Huizhi Business Consulting Co., Ltd. / 上海汇紫商务咨询有限公司) is a Shanghai-based one-stop online study-abroad platform for Chinese students applying to universities in the United Kingdom, Australia, the United States, New Zealand, Japan and Singapore. Its consumer surface covers DIY application filing, AI/big-data school and course matching, personal-statement and document services, language training (IELTS/TOEFL), adviser and channel-partner services, a study-abroad mall with online contract signing, payment and refund flows, a GPA calculator and a student content and community section. 51offer publishes no developer program, but its official site www.51offer.com serves a public, unauthenticated Swagger 1.2 API listing at /api-docs ("Horizon Site APIConfig List / 51offer官网所有开放接口清单") describing 24 controllers and several hundred JSON operations, and that listing is the machine-readable contract profiled here.

## Kin Score — 20.0 / 100 (emerging)

Scored 2026-09-25 under rubric 0.23.0. Trend: flat (-1.7 from 21.7).

| Facet | Score |
|---|---|
| Discoverability | 71.4 |
| Contract Quality | 16.4 |
| Contract Governance | 4.5 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 24.4 |
| Access Clarity | 17.1 |

Regulatory layer — **Education & Research**: 20.6 (matched via tags).

## Agent readiness — 21.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | documented |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (21)

- **51offer Diym API** — diy材料申请信息控制层
- **51offer Ng Adviser API** — 顾问控制层
- **51offer Ng Alliance API** — 大总管服务控制层
- **51offer Ng Delivery Channel API** — 渠道限时兑换礼包相关控制层
- **51offer Ng Diy API** — Diy服务控制层
- **51offer Ngdiyapplypay API** — Diy申请支付服务控制
- **51offer Ngdiychoose School API** — diy选校控制器
- **51offer Ngdiypositioningnotice API** — diy定位通知服务
- **51offer Ngdiyselectschool API** — Diy选校控制器前置
- **51offer Ngdiysinglepage API** — diy单品页控制器
- **51offer Ng Double Twelve API** — 双十二活动服务控制层
- **51offer Ng Enroll API** — Enroll Controller
- **51offer Ng Gpa Calc API** — GPA计算器
- **51offer Ng Home API** — H5首页控制层
- **51offer Ng Lan Correct API** — 语培口语批改
- **51offer Ng Mall API** — 商城控制层
- **51offer Ng Pay Coupon API** — 51品牌节支付优惠券
- **51offer Ng Pic API** — 文章图片更新控制层
- **51offer Ngrefund API** — 订单退款控制层
- **51offer Ng Sign API** — Sign Controller
- **51offer Ng User Info API** — runway用户控制层

## Security (2)

- **51Offer Authentication** — apiKey · 1 scheme
- **51Offer Domain Security** — TLSv1.2

## Plans (1)

- **51Offer Plans Pricing**

## Tags

Company, Education, Study Abroad, Higher Education, University Applications, Students, Language Training, E-Commerce, China, Consulting

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/51offer/). Scores are computed from the provider's own public artifacts under a published rubric.