# WhyLabs

**Canonical:** https://apis.io/providers/whylabs/  
**Website:** https://whylabs.ai/  
**APIs profiled:** 3

WhyLabs was an AI observability platform focused on data and model monitoring for both classical ML and LLM workloads. It built and maintained whylogs, an open-source data logging library that produces statistical profiles of tabular and unstructured data, and LangKit, an open-source toolkit for LLM telemetry covering relevance, toxicity, prompt injection signals, and quality metrics. WhyLabs, Inc. has announced it is discontinuing operations and has open-sourced its platform; the whylogs and LangKit projects remain available on GitHub for community use and research.

## Kin Score — 15.3 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 15.3).

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

## Agent readiness — 2.5 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| 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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Free — onboarding: unknown, pricing: free, trial: no (confidence: medium).

## APIs (3)

- **whylogs** — whylogs is an open-source data logging library that creates approximate statistical profiles of datasets, enabling drift detection, data quality monitoring, and bias analysis fo...
- **LangKit** — LangKit is an open-source toolkit that extracts telemetry from LLM prompts and responses including relevance, sentiment, toxicity, prompt injection signals, jailbreak similarity...
- **WhyLabs Observability Platform** — WhyLabs Observability is the historical commercial SaaS that ingested whylogs profiles and LangKit telemetry for dashboards, drift alerts, and constraint monitoring. WhyLabs, In...

## Security (1)

- **Whylabs Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Whylabs Plans Pricing**

## Use cases (4)

- **ML Data Quality** — Monitor training and inference datasets for schema drift and quality issues.
- **LLM Telemetry** — Instrument LLM applications with LangKit metrics to track safety and quality over time.
- **Model Drift Monitoring** — Detect distribution shifts in features and predictions for production ML models.
- **Privacy-Preserving Logging** — Share statistical profiles between teams and environments without exposing raw data.

## Tags

AI Observability, ML Monitoring, LLM Monitoring, Open-Source, whylogs, LangKit, Discontinued

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