Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 4 Complete, well-documented, and agent-ready

SendPulse Tariff APIThe Tariff API from SendPulse — 1 operation(s) for tariff.74.4 Self-Serve Tariff Classification APIThe Avalara Cross Border Tariff Content API classifies products based on provided product information for t...69.1 Enphase Energy Tariff APIThe Tariff API from Enphase Energy — 1 operation(s) for tariff.68.9 EDF Kraken GraphQL APIEDF Energy's primary developer API, and the surface EDF markets as its "open tariff APIs". It is the Kraken...67.1

Strong 3 Solid coverage with minor gaps

EVEDEX Tariff APIThe Tariff API from EVEDEX — 4 operation(s) for tariff.58.4 ev.energy Tariffs APIEndpoints related to energy suppliers and their tariffs.57.0 Octopus Energy Kraken REST APIThe Octopus Energy developer portal exposes a Kraken-backed REST API alongside the public GraphQL surface. ...55.2

Developing 4 Usable, with meaningful gaps to close

Clevergy Tariffs APIThe Tariffs API from Clevergy — 4 operation(s) for tariffs.54.2 Avito Tariff APIAPI для работы с Тарифами52.3 Arcadia Signal APIArcadia Signal provides utility tariff and energy rate data and calculations for use in cost-benefit analys...51.5 Chargefox OCPI CPO APIChargefox's Open Charge Point Interface implementation in the Charge Point Operator role, used for roaming ...50.9

Thin 4 Limited public surface area

char.gy Tariffs APIPublished price components for char.gy charging sessions.35.9 Electra OCPI CPO APIElectra's Open Charge Point Interface implementation in the Charge Point Operator role — the roaming interf...33.2 OpenPrescribing Tariff APIDrug-tariff prices and price-per-unit / ghost-generic savings data.32.5 WTO Timeseries APIThe WTO flagship API providing programmatic access to a large number of statistical indicators related to W...27.0

Emerging 2 Early or largely undocumented

Wove Tariffs APIDuty and tariff rate lookup by HS code with customer-specific overrides25.0 USITC DataWebThe USITC DataWeb provides interactive access to U.S. international trade statistics and U.S. tariff data, ...12.1

Minimal 1 Almost no public developer surface

Flowbird HUB Tariffs and Rights APIConfigure and read parking tariffs, pricing rules, and rights (digital permits, subscriptions, and eligibil...7.2

Companies reaching this through an API (12)

These companies publish an API, specification or operation carrying “Tariffs” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Arcadia Avalara Avito Chargefox Clevergy Enphase Energy ev.energy EVEDEX Flowbird OpenPrescribing SendPulse Wove

Score breakdown

Frequency

44.8

log-scaled weighted occurrences

Breadth

0.4

spread across providers

Quality lift

43.6

mean composite of providers using it

Cohesion

3.8

strength of nearest seed neighbor

Where this tag comes from

Api tag18

Provider tag14

Openapi tag9

Openapi op tag30

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resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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Tariffs

Providers using this tag (14)

APIs with this tag (18)