# Blue J

**Canonical:** https://apis.io/providers/blue-j/  
**Website:** https://www.bluej.com/  
**APIs profiled:** 0

Blue J is an AI-powered tax research platform that delivers defensible, source-backed answers to complex tax questions in seconds, drawing on primary law plus Tax Notes and IBFD content. Built for tax professionals, the platform supports advisory, compliance, tax writing, and training workflows, and is trusted by 4,000+ firms including Crowe, RSM, and Larson. Blue J is a SaaS product accessed through its web application at app.askbluej.com; it does not currently publish a public developer API, SDK, or MCP server. This profile was surfaced as a portfolio company of Sapphire Ventures and enriched by the API Evangelist pipeline from Blue J's own public website, security, pricing, and trust-center pages.

## Kin Score — 18.6 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 18.6).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 53.9 |
| Access Clarity | 53.9 |

## Agent readiness — 0.0 (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 | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

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

## Security (3)

- **Blue J Domain Security** — TLSv1.3 · HSTS · DMARC
- **Blue J Vulnerability Disclosure** — disclosure policy published
- **Blue J Trust Center** — SOC 2

## Tags

Company, Artificial Intelligence, Tax, Legal, Research, Compliance, Software-as-a-Service, Professional Services

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