# Harness (nonprofit giving app)

**Canonical:** https://apis.io/providers/harness-giving/  
**Website:** https://harnessgiving.com/  
**APIs profiled:** 1

Harness provides a recurring giving platform for nonprofits, enabling frictionless monthly donor subscriptions, retention dashboards, and automated stewardship. Their suite helps organizations launch, grow, and retain donors with easy-to-use forms and subscription‑economy‑style experiences, aiming to increase sustainable funding for charitable causes.

## Kin Score — 16.9 / 100 (emerging)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 67.9 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 23.8 |
| Access Clarity | 21.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 13.7 (matched via fallback).

## Agent readiness — 3.1 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| 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 |
| Pagination Ratio | na |
| Operation Distinctiveness | na |

## APIs (1)

- **Harness Giving API** — Recurring Giving Suite for Nonprofits API providing endpoints for managing donor subscriptions, programs, and dashboards.

## Security (1)

- **Harness Giving Domain Security** — TLSv1.3 · HSTS

## Tags

Company, Nonprofit, Giving, RecurringPayments, SaaS

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