# PromptLens

**Canonical:** https://apis.io/providers/promptlens/  
**Website:** https://promptlens.io/  
**APIs profiled:** 1

PromptLens provides a platform to catch AI regressions before production. It enables engineers to test prompts and model changes against real cases, preventing faulty outputs from reaching users. Features include versioned prompt testing, integration with major LLM providers, and detailed observability of prompt behavior across deployments.

## Kin Score — 44.5 / 100 (developing)

Scored 2026-10-23 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 39.0 |
| Contract Governance | 8.3 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 45.2 |
| Access Clarity | 76.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 22.7 (matched via fallback).

## Agent readiness — 37.6 (agent-ready)

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

## APIs (1)

- **PromptLens API** — PromptLens Product API providing prompt retrieval and management via OAuth.

## Security (2)

- **Promptlens Authentication** — 3 schemes
- **Promptlens Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Promptlens Plans Pricing**

## Tags

Company, Artificial Intelligence, Monitoring, Testing, LLM, Observability

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