niche · 0.4 capabilitymarket actiondomain

B2B Payments

Score 19.5 / 100 37 providers +1 via APIs 9 APIs Search apis.io →

Providers using this tag (37)

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

Strong 2 Solid coverage with minor gaps
Developing 7 Usable, with meaningful gaps to close
Thin 12 Limited public surface area
Emerging 10 Early or largely undocumented
Minimal 6 Almost no public developer surface

APIs with this tag (9)

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 →

Strong 5 Solid coverage with minor gaps
Thin 4 Limited public surface area

Companies reaching this through an API (1)

These companies publish an API, specification or operation carrying “B2B Payments” 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.

Mastercard

Score breakdown

Frequency
45.5
log-scaled weighted occurrences
Breadth
1.0
spread across providers
Quality lift
35.9
mean composite of providers using it
Cohesion
4.6
strength of nearest seed neighbor

Related tags

Accounts Receivable 14 co-occurrences Accounts Payable 12 co-occurrences Cross-Border Payments 10 co-occurrences Working Capital 6 co-occurrences Foreign Exchange 6 co-occurrences Embedded Finance 10 co-occurrences Invoicing 9 co-occurrences Collection 8 co-occurrences

Where this tag comes from

Provider tag37
Api tag9

Cohort brief

Auto-generated

The 37 providers in the APIs.io catalog tagged B2B Payments, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
37
all scored
Mean Kin Score
29.2
+6.3 vs catalog 22.9
Mean Agent Readiness
16.1
+4.2 vs catalog 11.9
Spread
2.7–57.1
median 28.9 · σ 15.8
How the 37 split by band
Exemplar 0Strong 2Developing 7Thin 12Emerging 10Minimal 6
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 35.1 26.5 +8.6 37
Contract Quality 24.4 17.6 +6.8 37
Discoverability 64.6 58.1 +6.5 37
Developer Ergonomics 29.3 23.2 +6.1 37
Operational Transparency 17.8 13.7 +4.1 37
Contract Governance 7.5 6.3 +1.2 37

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 3% 14% -11
MCP server (first-party) 3% 12% -9
Agent Skills 0% 0% 0
OAuth scopes 19% 11% +8
Security 100% 98% +2
Arazzo workflows 0% 2% -2
Governance rules 3% 14% -11

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 iBanFirst 57.1
  2. 2 Flywire 55
  3. 3 PayMate 53.9
  4. 4 Versapay 53.5
  5. 5 ConnexPay 51.4
  6. 6 Duplo 50.6
  7. 7 Defacto 45.3
  8. 8 LianLian Global 42.8
  9. 9 Basware 41.8
  10. 10 Topi 38.9
Top by Agent Readiness
  1. 1 iBanFirst 53
  2. 2 LianLian Global 46.7
  3. 3 Versapay 43.3
  4. 4 ConnexPay 41.2
  5. 5 Topi 37.9
  6. 6 Veem 33.2
  7. 7 PayMate 32.9
  8. 8 Basware 30.9
  9. 9 Defacto 30.8
  10. 10 Kriya 26.4
All 37 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 5 October 2026, across 29093 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

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https://apis.io/mcp

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

curl for this page
This tag
curl "https://apis.io/api/v1/tags/b2b-payments"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/b2b-payments"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/b2b-payments/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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