niche · -1.7 market domain

Lookup

Score 17.7 / 100 2 providers +59 via APIs 59 APIs Search apis.io →
Workflows using this tag
Avalara Onboard an Exempt Customer · Avalara Avalara Adjust a Committed Transaction · Avalara Avalara Estimate Rate Then Quote · Avalara Avalara Create Company With Nexus · Avalara Avalara Quick Tax Quote · Avalara Avalara Initialize Company With Defaults · Avalara Avalara Refund a Transaction · Avalara Avalara Void and Recreate a Transaction · Avalara
Business capabilities this tag reaches
Cybersecurity Management 2 Tax Management 1

Providers using this tag (2)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Emerging 1 Early or largely undocumented
Minimal 1 Almost no public developer surface

APIs with this tag (58)

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 7 Complete, well-documented, and agent-ready
Strong 8 Solid coverage with minor gaps
Developing 16 Usable, with meaningful gaps to close
Thin 21 Limited public surface area
Algorand Lookup APIThe lookup API from Algorand — 14 operation(s) for lookup.39.2Plivo Lookup APIThe Plivo Lookup API validates phone numbers and returns formatting, country, line type, carrier, and reach...38.9Orisift Lookup APIThe Lookup API from Orisift — 1 operation(s) for lookup.38.2Smarty Lookup APIThe Lookup API from Smarty — 3 operation(s) for lookup.37.8Freight Waves Lookup APIFree reference lookups for valid indexes, qualifiers, levels, lanes, and zip3.37.0Equinix Lookup APILookup35.7Verifone Lookup APIThe Lookup API from Verifone — 1 operation(s) for lookup.35.1TheMealDB Lookup APIThe Lookup API from TheMealDB — 1 operation(s) for lookup.34.5Lookip Lookup APISingle-address lookups.33.3Tivo Lookup APILook up content by known identifiers32.9Cielo BIN Query APIThe Cielo BIN Query service returns metadata for a card BIN (Bank Identification Number) — issuing brand, c...32.7HashiCorp Vault Lookup APIIdentity lookup operations31.0TheSportsDB Lookup APIThe Lookup API from TheSportsDB — 5 operation(s) for lookup.30.7Mono Lookup APIIdentity and data verification for KYC/KYB.30.6Candid Lookup APIOperations for retrieving lookup values and filter metadata.30.2Matrix Identity Service APIAPI for looking up Matrix user IDs from third-party identifiers such as email addresses and phone numbers v...30.1Placekey Lookup APIThe Lookup API from Placekey — 1 operation(s) for lookup.28.4PayFast Credit Card Transactions APIQuery individual credit card transaction details27.5Prestmit Lookup APIReference data for banks, gift card categories, and payout methods.27.5Revelator Lookup APICommon reference/lookup data.27.3Who Represents This Address (RJH Signal Technologies) Lookup APIThe Lookup API from Who Represents This Address (RJH Signal Technologies) — 1 operation(s) for lookup.27.2
Emerging 6 Early or largely undocumented

Companies reaching this through an API (59)

These companies publish an API, specification or operation carrying “Lookup” 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.

AcoustID Alcohol and Tobacco Tax and Trade Bureau Algorand American Financial Group Ariba ATTOM Avalara Bindbee Bird Bright Data Candid CarsXE Cielo CoreLogic (Cotality) DreamFactory Equinix Everbridge Fenergo Free Cocktail API Freight Waves HashiCorp Vault HERE Linden Lab Lookip MadKudu Matrix Mlsgrid Mono Morning Consult NALA Nominatim Noyo Numbers Online Ocean.io Open Library Optimizely Oracle Hospitality Orisift PayFast Placekey Plivo Prelude Prestmit Recorded Future Revelator seven.io Smarty Syft Data Syniverse Synthient API
Show all 59 companies ↓

Score breakdown

Frequency
54.3
log-scaled weighted occurrences
Breadth
0.0
spread across providers
Quality lift
18.1
mean composite of providers using it
Cohesion
3.0
strength of nearest seed neighbor

Related tags

Verify 6 co-occurrences List 9 co-occurrences Sales Intelligence 5 co-occurrences Batch 6 co-occurrences Data Enrichment 5 co-occurrences Geocoding 5 co-occurrences Export 6 co-occurrences Profiles 6 co-occurrences

Where this tag comes from

Api tag58
Provider tag2
Openapi tag39
Openapi op tag100

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Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

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This tag
curl "https://apis.io/api/v1/tags/lookup"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/lookup"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/lookup/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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