API FoundryLogan Pendragon Forge Lab

Available API

Languages

Comprehensive BCP 47 and ISO 639 knowledge with native names, aliases, deprecations, scripts, directionality, territory use, Glottolog genealogy, coordinates, and provenance.

Test with your keyView pricing
Status
4/4 sources healthy
Contract
1.0.0
Data version
languages-2026-08-08-cldr48.2-glottolog5.3
Current records
8,276
Normal pull
monthly check
Full reconciliation
quarterly

Coverage

What this API contains

Normalized language codes, scripts, families, names, directionality, and geographic relationships.

languagegenealogical familyscriptterritory relationshipalias

Endpoints

Built for direct use

/apis/languages · 1 credit/apis/languages/{code} · 1 credit/apis/languages/search · 1 credit/apis/languages/families · 1 credit/apis/languages/scripts · 1 credit/apis/languages/territories · 1 credit

Standard list, search, detail, relationship, and conversion calls cost one credit. Bulk exports cost 100 credits.

Bounded preview

See the shape of the data

These are up to five fixed records from the current release. The preview has no paging, search, or export controls. A developer account and API key are required to query the full dataset.

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Source record

Where the data comes from

Healthy

Glottolog 5.3 Languoid CSV

genealogical language classification and Glottocode mapping

Last successful pull
Aug 29, 2026 · 11:28 PM UTC
License / terms
CC BY 4.0
Reuse review
Commercial: True · Redistribution: True
Healthy

IANA Language Subtag Registry

BCP 47 language-subtag authority

Publisher
www.iana.org
Last successful pull
Aug 29, 2026 · 11:28 PM UTC
License / terms
IANA registry terms; commercial redistribution review required
Reuse review
Commercial: review_required · Redistribution: review_required
Healthy

Library of Congress ISO 639-2 Code List

ISO 639-1 and ISO 639-2 mapping authority

Publisher
www.loc.gov
Last successful pull
Aug 29, 2026 · 11:28 PM UTC
License / terms
Library of Congress and ISO code-list terms; commercial redistribution review required
Reuse review
Commercial: review_required · Redistribution: review_required
Healthy

Unicode CLDR 48.2 Common Data

locale names, native names, scripts, territories, likely subtags, and directionality

Last successful pull
Aug 29, 2026 · 11:28 PM UTC
License / terms
Unicode License v3
Reuse review
Commercial: True · Redistribution: True