# Capital.xyz

**Canonical:** https://apis.io/providers/capitalxyz/  
**Website:** https://capital.xyz  
**APIs profiled:** 0

Capital.xyz (the company behind the former Party Round) is a startup banking and fundraising platform that helps founders raise, hold, spend, and send money in one place. Companies sign up to run fundraising rounds, receive a virtual Visa debit card once capital is raised, hold and move funds, and connect the account to fintech services such as Gusto. The product is built on embedded-finance rails (Unit, Plaid, Visa) and is a consumer/SMB-facing application; as of this enrichment pass Capital.xyz publishes no public developer program, API reference, OpenAPI, or docs portal. Added to the API Evangelist network as a portfolio company of a16z.

## Kin Score — 0.7 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 0.7).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Banking & Open Finance**: 0.0 (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).

## Tags

Company, Fintech, Banking, Startups, Fundraising, Embedded Finance, Venture Capital

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