niche · 1.6 capability resourceaction

Marketplaces

Score 20.1 / 100 49 providers 11 APIs Search apis.io →
Variants seen in the corpus: Marketplacesmarketplaces

Providers using this tag (49)

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

Exemplar 4 Complete, well-documented, and agent-ready
Strong 3 Solid coverage with minor gaps
Developing 8 Usable, with meaningful gaps to close
Thin 5 Limited public surface area
Emerging 17 Early or largely undocumented
Minimal 12 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 →

Exemplar 1 Complete, well-documented, and agent-ready
Strong 1 Solid coverage with minor gaps
Developing 4 Usable, with meaningful gaps to close
Thin 2 Limited public surface area
Emerging 1 Early or largely undocumented

Score breakdown

Frequency
48.6
log-scaled weighted occurrences
Breadth
1.3
spread across providers
Quality lift
34.4
mean composite of providers using it
Cohesion
4.9
strength of nearest seed neighbor

Related tags

Settlement 6 co-occurrences Payment Processing 5 co-occurrences Payouts 8 co-occurrences Transfers 6 co-occurrences Verification 7 co-occurrences Order Management 5 co-occurrences India 10 co-occurrences Refunds 5 co-occurrences

Where this tag comes from

Provider tag40
Api tag11
Openapi tag3
Openapi op tag19

Cohort brief

Auto-generated

The 49 providers in the APIs.io catalog tagged Marketplaces, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
49
all scored
Mean Kin Score
28.6
+7.9 vs catalog 20.7
Mean Agent Readiness
13.8
+4.1 vs catalog 9.7
Spread
1.5–83.2
median 19.7 · σ 21.6
How the 49 split by band
Exemplar 3Strong 4Developing 7Thin 7Emerging 16Minimal 12
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Developer Ergonomics 29.2 17.9 +11.3 49
Access Clarity 31.5 22.3 +9.2 49
Operational Transparency 18.4 11.3 +7.1 49
Contract Quality 24.2 17.5 +6.7 49
Discoverability 64.9 60.4 +4.5 49
Contract Governance 8.8 6.4 +2.4 49

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) 31% 16% +15
MCP server (first-party) 8% 7% +1
Agent Skills 0% 0% 0
OAuth scopes 10% 9% +1
Security 100% 88% +12
Arazzo workflows 10% 2% +8
Governance rules 14% 13% +1

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 Stripe 83.2
  2. 2 Paystack 71
  3. 3 Finix 70.4
  4. 4 Finix Payments 65.8
  5. 5 Swell 65.8
  6. 6 MediaMath 63.3
  7. 7 Lengow 62.4
  8. 8 Cart.com 52.7
  9. 9 Channable 50
  10. 10 Openwork 49.7
Top by Agent Readiness
  1. 1 Openwork 52.6
  2. 2 MediaMath 49.3
  3. 3 Stripe 47.8
  4. 4 Worldpay 44.8
  5. 5 Finix 38.8
  6. 6 Klook 36.8
  7. 7 Finix Payments 35.4
  8. 8 Cashfree Payments 34.9
  9. 9 Lengow 33.3
  10. 10 Keboola 32.7
All 49 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 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

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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

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

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