GunSpec

Statistics & Analytics

Aggregated insights from the firearms database. Discover popular calibers, prolific manufacturers, category breakdowns, era analysis, material distributions, and adoption patterns.

Auth RequiredExplorer+

Field Coverage

Returns what share of records carry each major specification field, as a percentage of the catalog.

GET/v1/stats/field-coverage

Explorer+

  • stringheaderrequired

    Your API key. Authorization: Bearer <key> is accepted in its place.

application/json

  • object[]

    The response payload.

  • string

    Which column the row is about, named as the database names it.

  • number

    Share of records, 0 to 100.

  • 400VALIDATION_ERRORValidation error
  • 401UNAUTHORIZEDAPI key required
  • 403FORBIDDENValid key, not permitted
  • 429RATE_LIMITEDRate limit exceeded
  • 500INTERNAL_ERRORUnexpected server error

Covers the core spec fields: weight_empty_g, barrel_length_mm, action_type, magazine_capacity, effective_range_m, frame_material, year_introduced, country_of_origin, description, height_mm, width_mm, and muzzle_velocity_mps.

Full rate limits

Minimum tier
Explorer+
Monthly quota
200/mo
Rate limit
10/min
Daily cap
50

Figures shown are for this endpoint's minimum tier. Higher tiers raise every limit.