# Provable

**Canonical:** https://apis.io/providers/provable/  
**Website:** https://developer.provablemarkets.com  
**APIs profiled:** 1

Provable Markets is a New York and Amsterdam based financial technology firm operating Aurora, the first new SEC-registered Alternative Trading System (ATS) for securities finance in over a decade. Through Aurora Marketplace and Aurora Trade Manager, Provable delivers front-, middle-, and back-office technology for the securities lending market: automated trade matching, contract lifecycle management (returns, recalls, marks, rate changes), and CCP connectivity via NSCC. Its cloud-native platform exposes open APIs — a Connect/gRPC Aurora API, FIX specifications, and WebSocket/webhook event streams — and it is a FINRA member registered as an SEC ATS with SOC 2 and ISO 27001 certifications.

## Kin Score — 40.1 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 40.1).

| Facet | Score |
|---|---|
| Discoverability | 87.0 |
| Contract Quality | 45.1 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 24.4 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

Regulatory layer — **Securities & Market Data**: 63.3 (matched via tags).

## Agent readiness — 30.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | yes |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (1)

- **Aurora API** — The Aurora Connect (Buf) API for the SEC-registered securities-finance ATS — authentication, company/instrument reference, order management (OMS), venue order book, contract req...

## MCP servers (1)

- **Provable MCP Server**

## Security (2)

- **Provable Authentication** — apiKey/http · 2 schemes
- **Provable Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Tags

Company, Securities Lending, Capital Markets, Fintech, Trading, Alternative Trading System, Post-Trade, gRPC, FIX

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