# Riiid

**Canonical:** https://apis.io/providers/riiid/  
**Website:** https://www.riiid.com  
**APIs profiled:** 4

Riiid (now operating as Socra AI) is an AI education technology company whose proprietary deep-knowledge-tracing and score-prediction models power adaptive learning. Its consumer product Santa (AI TOEIC / TOEFL test prep) and its R.Inside AI-as-a-Service offering bring real-time student modeling to partners. Riiid does not publish a public, self-serve developer API; its AI is delivered through B2B partner integrations and packaged products.

## Kin Score — 21.9 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 21.9).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 28.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 9.5 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

Regulatory layer — **Education & Research**: 11.1 (matched via tags).

## Agent readiness — 18.4 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (4)

- **Riiid Adaptive Learning** — Riiid's adaptive learning engine analyzes learner interaction data in real time to recommend personalized study paths and content. It is delivered inside Riiid/Socra products (S...
- **Riiid Knowledge Tracing** — Proprietary deep knowledge tracing and score-prediction models (built on 100M+ student interactions, the EdNet dataset) estimate a learner's mastery and predict test outcomes in...
- **Riiid Santa** — Santa is Riiid's consumer AI tutor app for standardized English tests (TOEIC, and TOEFL via an ETS content partnership). It is distributed as iOS / Android mobile applications w...
- **Riiid Partner Solutions** — B2B / AI-as-a-Service (R.Inside) engagements that embed Riiid's adaptive learning and knowledge-tracing AI into partner education platforms. Access is sales-led and contract-bas...

## Security (1)

- **Riiid Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Riiid Plans Pricing**

## Tags

Artificial Intelligence, Education, Adaptive Learning, Knowledge Tracing, EdTech

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