# Stash

**Canonical:** https://apis.io/providers/stash/  
**APIs profiled:** 1

Stash is an investing and banking app that enables fractional share investing, automated portfolio building, bank account management with a Stock-Back debit card, custodial accounts for minors, IRA retirement accounts, and financial education content. Stash serves over one million customers and has $4.3 billion under management, offering subscription-based access to a hybrid DIY and robo-advisor investing experience starting at $3 per month.

## Kin Score — 13.5 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 13.5).

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

Regulatory layer — **Banking & Open Finance**: 13.9 (matched via tags).

## Agent readiness — 2.5 (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 | documented |
| 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 |

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: medium).

## APIs (1)

- **Stash Investing API** — Stash provides a mobile-first investing and banking platform enabling fractional share purchases, automated smart portfolio management, retirement accounts, and a Stock-Back deb...

## Security (2)

- **Stash Domain Security** — TLSv1.3 · HSTS · DMARC
- **Stash Trust Center** — PCI DSS

## Plans (1)

- **Plans**

## Tags

Fintech, Investing, Banking, Fractional Shares, Portfolio-Management, Financial Education, Robo-Advisor, Stock-Back, Custodial Accounts, IRA

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