# Constants

**Canonical:** https://apis.io/providers/constants-io/  
**Website:** https://www.constants.io/  
**APIs profiled:** 1

Constants provides a platform for creating user digital twins to simulate and analyze product decisions. Their service lets teams run quick simulations of user behavior on websites or apps, generating reports on conversion, hesitation points, and actionable insights within about 20 minutes. The platform includes features like test files, reports, credit‑based simulation usage, and integrations with Discord, Google, and email for authentication. It aims to help product teams make data‑driven decisions efficiently.

## Kin Score — 14.9 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 57.1 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 21.4 |
| Access Clarity | 21.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 19.6 (matched via fallback).

## Agent readiness — 27.6 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| 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 | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |
| Delegated Identity | served |
| Protected Resource Metadata | verified |
| Dynamic Client Registration | yes |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

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

## APIs (1)

- **Constants API** — Constants provides a platform for creating user digital twins to simulate and analyze product decisions.

## Security (1)

- **Constants Io Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Digital Twin, Simulation, Product Analytics, User Behavior

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