GunSpec

Statistics & Analytics

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

Auth RequiredStudio+

Caliber Popularity by Era

Returns how often each cartridge was chambered per period, for charting which calibers rose and fell.

GET/v1/stats/caliber-popularity-by-era

Studio+

  • stringheaderrequired

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

  • string

    Earliest decade, formatted like "1940s"

    Example
  • string

    Latest decade, formatted like "2020s"

    Example

application/json

  • object[]

    The response payload.

  • string

    The decade this row covers, e.g. 1940s.

  • object[]

    The cartridges chambered by firearms introduced in this decade.

  • string

    Slug of the cartridge. Resolve against /v1/calibers/{id}.

  • string

    Display name of the cartridge.

  • integer

    How many firearms this row covers.

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

Requires Studio tier or higher.

Decade format must be a string like "1940s", "1990s", "2020s".

Calibers within each decade are sorted by count descending.

Only the top 10 calibers per decade are returned.

Full rate limits

Minimum tier
Studio+
Monthly quota
150,000/mo
Rate limit
120/min
Daily cap
10,000

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