niche

AP2

Score 19.6 / 100 4 providers +1 via APIs 5 APIs Search apis.io →

Providers using this tag (4)

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

Exemplar 1 Complete, well-documented, and agent-ready
MandateShieldCompanyPaymentsAgentic CommerceAI Agents1 API75.3
Strong 2 Solid coverage with minor gaps
The HORIZ音s株式会社ConstructionRenovationCost EstimationFair Pricing7 APIs56.7AllowanceCompanyPaymentsAgentic PaymentsAI Agents1 API55.0
Thin 1 Limited public surface area
Merchant-0AgentsAgentic CommerceA2A1 API38.7

APIs with this tag (5)

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 3 Complete, well-documented, and agent-ready
AlgoVoi Gateway APIThe multi-tenant payment gateway (OpenAPI 3.1.0 "AlgoVoi Gateway" 1.0.0-phase1c, 115 operations, 99 schemas...68.9AlgoVoi MCP ServerModel Context Protocol access to AlgoVoi three ways. A hosted anonymous Streamable HTTP endpoint at https:/...68.9AlgoVoi Pay (Payable Core) APITenant-free, pay-per-call verification rail (OpenAPI 3.1.0 "AlgoVoi Payable Core" 1.0.0, 17 operations). No...68.9
Strong 1 Solid coverage with minor gaps
HORIZON SHIELD KIRA MCP ServerRemote Model Context Protocol server at https://mcp.horizonshield.dev/ (Streamable HTTP, POST only, protoco...56.7
Thin 1 Limited public surface area
Merchant-0 A2A Protocol Server APIThe REST contract behind Merchant-0's agent-commerce surface, served by a FastAPI application at https://ap...38.7

Companies reaching this through an API (1)

These companies publish an API, specification or operation carrying “AP2” 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.

AlgoVoi

Score breakdown

Frequency
27.0
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
64.0
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Where this tag comes from

Api tag3
Provider tag4
Openapi op tag8

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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 
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All tags 
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As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/ap2"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/ap2/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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