# At-Bay

**Canonical:** https://apis.io/providers/at-bay/  
**Website:** https://www.at-bay.com  
**APIs profiled:** 5

At-Bay is an InsurSec company that combines cyber insurance with proactive security monitoring for businesses. Headquartered in New York with offices in San Francisco and Tel Aviv, At-Bay underwrites Surplus Cyber, Surplus Tech E&O, and Surplus Miscellaneous Professional Liability (MPL) coverage and bundles them with the At-Bay Stance security platform (advisory, fraud defense, incident response) and 24/7 Managed Detection and Response (MDR) across endpoint, email (MXDR), and multi-vector surfaces. At-Bay distributes through a network of independent brokers and partners and exposes a production-grade REST Partner API (v2) that lets brokerage platforms, digital distributors, and agency management systems quote, customize, bind, renew, retrieve documents, and receive webhook callbacks for the full policy lifecycle. Demo environment at api-demo.at-bay.com lets partners integrate without going through Broker of Record clearance.

## Kin Score — 43.0 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 43.0).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 68.7 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 28.6 |
| Commercial Clarity | 46.1 |
| Access Clarity | 46.1 |

Regulatory layer — **Insurance**: 25.8 (matched via tags).

## Agent readiness — 32.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| 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 |

## Access

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

## APIs (5)

- **At-Bay Documents API** — Upload submission documents and download generated policy documents.
- **At-Bay Health API** — API health check.
- **At-Bay Policies API** — Manage bound policies including renewal behavior.
- **At-Bay Quotes API** — Create, poll, and bind insurance quotes.
- **At-Bay Webhooks API** — Register webhook endpoints for asynchronous status callbacks.

## Agentic access (1)

- **At Bay Agentic Access** — 12 operations · 7 acting

## Security (2)

- **At Bay Authentication** — http · 1 scheme
- **At Bay Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **At Bay Plans Pricing**

## Tags

Insurance, Cyber Insurance, InsurSec, Insurtech, Tech E&O, Professional Liability, MPL, Managed Detection and Response, MDR, Security Monitoring, Email Security, Endpoint Security, Incident Response, Brokers, Quoting, Bindings, Policy Lifecycle, Webhook

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