# GunTab

**Canonical:** https://apis.io/providers/guntab/  
**Website:** https://www.guntab.com/  
**APIs profiled:** 4

GunTab is a payment processing service designed for online firearms marketplaces and retail websites. The GunTab API enables businesses to integrate safe and convenient firearms transaction payments into their platforms.

## Kin Score — 28.9 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 28.9).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 53.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

Regulatory layer — **Payments**: 18.8 (matched via tags).

## Agent readiness — 31.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| 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 (4)

- **GunTab FFLs API** — Federal Firearms License verification
- **GunTab Invoices API** — Payment request lifecycle management
- **GunTab Users API** — Marketplace user lookup
- **GunTab Webhooks API** — Webhook subscription management (deprecated)

## Agentic access (1)

- **Guntab Agentic Access** — 11 operations · 8 acting

## Security (2)

- **Guntab Authentication** — apiKey · 1 scheme
- **Guntab Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Guntab Plans Pricing**

## Tags

E-Commerce, Firearms, Marketplace, Payments

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