# First Street

**Canonical:** https://apis.io/providers/first-street/  
**Website:** https://firststreet.org/  
**APIs profiled:** 6

First Street models use validated and proven methodologies to ensure model accuracy. We measure and predict the impact of a peril based on the underlying physics of how an actual event would transpire. First Street exposes Climate Risk, Enterprise, and Raster Map APIs for property-level climate risk data.

## Kin Score — 29.0 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 29.0).

| Facet | Score |
|---|---|
| Discoverability | 55.6 |
| Contract Quality | 52.4 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 23.7 |
| Access Clarity | 23.7 |

## Agent readiness — 29.1 (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 | 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 |

## Access

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

## APIs (6)

- **First Street Climate Risk API** — The Climate Risk API provides physical climate risk data globally, delivering property-level insights into hazards including flood, wildfire, heat, wind, and air quality.
- **First Street Enterprise API** — The Enterprise API offers aggregated climate risk views for portfolios, enabling enterprise users to assess risk across multiple properties and geographic regions.
- **First Street Raster Map API** — The Raster Map API delivers visual raster layers of climate perils for mapping and visualization use cases.
- **First Street Enterprise API** — The Enterprise API from First Street — 1 operation(s) for enterprise.
- **First Street Graphql API** — The Graphql API from First Street — 1 operation(s) for graphql.
- **First Street Maps API** — The Maps API from First Street — 1 operation(s) for maps.

## Agentic access (1)

- **First Street Agentic Access** — 3 operations · 2 acting

## Security (4)

- **First Street Authentication** — apiKey/http · 2 schemes
- **First Street Domain Security** — TLSv1.3 · HSTS · DMARC
- **First Street Vulnerability Disclosure** — disclosure policy published
- **First Street Trust Center** — SOC 2

## Plans (1)

- **First Street Plans Pricing**

## Tags

Environment, Modeling, Risk, Climate

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