# HumanLoop AI

**Canonical:** https://apis.io/providers/withhumanloopai/  
**Website:** https://humanloop.com/  
**APIs profiled:** 2

HumanLoop AI builds a development platform for large language model (LLM) applications, enabling rapid, safe adoption of AI. The company provides tools for prompt management, evaluation, and monitoring, helping enterprises integrate LLMs responsibly. After being acquired by Anthropic in 2025, HumanLoop continues to support its existing customers while transitioning its platform. The team includes founders Raza, Jordan, and Peter, backed by investors such as Albion, Index, Y Combinator, and Local Globe.

## Kin Score — 47.3 / 100 (developing)

Scored 2026-10-23 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 56.7 |
| Contract Quality | 23.8 |
| Contract Governance | 35.6 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 50.0 |
| Access Clarity | 84.2 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 27.3 (matched via fallback).

## Agent readiness — 28.4 (agent-aware)

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

## APIs (2)

- **HumanLoop API** — HumanLoop API provides endpoints for LLM evaluation and prompt management.
- **HumanLoop AI API** — HumanLoop AI API as documented publicly: 6 operations. Contract generated from the documentation by API Evangelist (2026-10-19); not the provider's own document.

## MCP servers (1)

- **HumanLoop AI MCP Server** — Remote MCP server at humanloop.com.

## Security (2)

- **Withhumanloopai Authentication** — 1 scheme
- **Withhumanloopai Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Withhumanloopai Plans Pricing**

## Tags

Company, Artificial Intelligence, LLM, Platform, Development

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