# BUX

**Canonical:** https://apis.io/providers/bux/  
**Website:** https://bux.com/  
**APIs profiled:** 0

BUX is a European neobroker and mobile-first investing app operated by BUX B.V., a subsidiary of ABN AMRO. It lets retail investors across Europe buy and sell individual stocks and ETFs commission-free starting from as little as EUR 10, build automated BUX Investment Plans (thematic and expert-built portfolios), and earn interest on uninvested cash across BUX Basic, Plus, and Prime account tiers. BUX is authorised and regulated by the Dutch Authority for the Financial Markets (AFM), with client financial instruments and money held in segregated custody via ABN AMRO Clearing and deposits protected up to EUR 100,000 under the Dutch Deposit Guarantee Scheme. BUX does not publish a public developer API or SDKs; this profile captures the company's identity, legal, and security posture for the API Evangelist network.

## Kin Score — 13.4 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 13.4).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 4.8 |
| Commercial Clarity | 31.6 |
| Access Clarity | 31.6 |

Regulatory layer — **Securities & Market Data**: 33.3 (matched via tags).

## 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 (2)

- **Bux Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Bux Vulnerability Disclosure** — Hackerone · contact published

## Tags

Company, Fintech, Investing, Neobroker, Brokerage, Stocks, ETFs, Europe, Wealth Management

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