# gunspec-io

**Canonical:** https://apis.io/providers/gunspec-io/  
**Website:** https://gunspec.io/  
**APIs profiled:** 1

A firearm database API for developers: specifications for over 8,500 guns, every figure sourced. The REST API offers endpoints for firearms, ammunition, manufacturers, and accessories, plus SDKs for popular languages and an MCP server. A free plan is available, with paid tiers for higher rate limits.

## Kin Score — 70.8 / 100 (exemplar)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 65.2 |
| Contract Governance | 79.1 |
| Operational Transparency | 60.0 |
| Developer Ergonomics | 61.2 |
| Access Clarity | 73.2 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 40.2 (matched via fallback).

## Agent readiness — 43.4 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | unknown |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | verified |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | unknown |
| Well Known Catalog | yes |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | partial |
| Operation Distinctiveness | distinct |

## APIs (22)

- **gunspec-io Account API** — The authenticated account surface: your favorites, data reports, support tickets, webhook endpoints, and API usage. Requires an API key belonging to a user account.
- **gunspec-io Ammunition API** — Specific ammunition loads per caliber, with ballistics calculation and bullet diagrams
- **gunspec-io Calibers API** — Ammunition calibers, cartridge specifications, comparison, and family relationships
- **gunspec-io Categories API** — Firearm categories (pistol, rifle, shotgun, etc.)
- **gunspec-io Changes API** — What changed in the catalogue: records added, updated, removed and merged, with the fields that moved, as a list to read forward from and as RSS
- **gunspec-io Collections API** — Publicly shared user collections
- **gunspec-io Compatibility API** — Mount interfaces, the attachment catalog and what fits what: a firearm's resolved interfaces, the attachments that fit it (direct, through a named adapter, or curated), the fire...
- **gunspec-io Conflicts API** — Armed conflicts referenced by firearm service history
- **gunspec-io Content API** — Changelog entries and blog posts
- **gunspec-io Countries API** — Countries of origin and national arsenals
- **gunspec-io Data Quality API** — Field coverage and confidence metrics for the dataset
- **gunspec-io Firearm Analysis API** — Derived views over firearms: family tree, similar models, adoption map, dimensions, game profile, and the cost of marching with them
- **gunspec-io Firearm Discovery API** — Cross-catalog queries: random picks, top lists, head-to-head, and filters by feature, action, material, designer, or conflict
- **gunspec-io Firearms API** — Firearms specifications, search, comparison, and related data
- **gunspec-io Game API** — Game-balance analysis: balance report, tier list, matchups, role roster, and stat distribution
- **gunspec-io Game Stats API** — Versioned game stats snapshots. Pin your game to a specific dataset version (e.g., "2025.1") so rebalancing changes don't break your build mid-development. List available versio...
- **gunspec-io Health API** — Health and readiness checks
- **gunspec-io Manufacturers API** — Firearm manufacturers, their products, timelines, and statistics
- **gunspec-io Papers API** — Research papers: technical reports on the catalogue, each with its authors, review status and the requests that reproduce its figures
- **gunspec-io Releases API** — New firearm models, each with the dates it was announced and first read, its alternate names and the sources that name it
- **gunspec-io Seller API** — The seller layer: who stocks a catalogued part or firearm, and where to buy it. Public reads on any record, and a private surface for an Enterprise shop to keep its own listings...
- **gunspec-io Statistics API** — Aggregate database statistics: coverage, distribution by category, era, country, material, and action type

## Agentic access (1)

- **Gunspec Io Agentic Access** — 162 operations · 13 acting

## Security (3)

- **Gunspec Io Authentication** — 2 schemes
- **Gunspec Io Domain Security** — TLSv1.3 · HSTS · DMARC
- **Gunspec Io Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Gunspec Io Plans Pricing**

## Tags

Firearms, API, Database, Specifications, SDK, MCP

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