Mobile SDK Publishers (Play SDK Index, CocoaPods, ADA certification)

Where this market publishes its structure

• Google Play SDK Index (play.google.com/sdks; 9 category pages + SDK detail pages) machine-readable, client-rendered, read with the browser strategy (no login); 280 SDKs, 172 providers; 77 publishers linked (80 provider names), 7 out-of-market, Google self-listings + 4 unidentified handles held; category pages list every SDK (no pagination seen)
• Maven Central (search.maven.org/solrsearch, central.sonatype.com) machine-readable, groupIds of linked publishers confirmed (numFound) as context only; central.sonatype.com UI is client-rendered, the public solrsearch JSON was used; Google Maven named by the detail page
• CocoaPods trunk (cdn.cocoapods.org all_pods.txt + Specs; mirror of github.com/CocoaPods/Specs) machine-readable, 103,482 pods listed; 1735 candidate podspecs read (pod name prefixed by a Play publisher token; latest version); 528 pods linked to 55 providers; whole-registry sweep not attempted (one podspec fetch per pod)
• App Defense Alliance certified products (cert.appdefensealliance.org/certifications) machine-readable, 170 certificates listed, 165 read (5 refused with HTTP 429 rate limiting: 10178, 10179, 10183, 10295, 10296); 9 developers linked, mostly Google first-party apps held (google.com / android.com shared host, platform owner)
• appdefensealliance.dev/masa machine-readable, programme page only; the validated list moved to appdefensealliance.org/certification/certified-products (Google Sites embed of the cert registry)

Own = declares at least one integration itself; covered = visible only because an aggregator, standards body, regulator or partner contract names it; distribution-only = listed only on cloud marketplaces it sells through, a channel reported beside, never counted as its own declared integrations; undeclared = nothing we can read, so no number; declares_compatibility = providers with a `compatible` shape vote, report only (kin, 2026-10-13): never counted as own, never in depth or position.

Taxonomy how this market maps onto apis.io

Derived 2026-10-22 from the 904 providers in this market we could resolve in the catalog. The percentage is the share of those providers carrying each one; it describes the market, not the tag or industry. Tag groups have no page of their own yet, so they are listed unlinked.

share of resolved cohort carrying it; tags >=0.20 & >=3 members (max 12, junk dropped), tag_groups >=0.20 (cooccurrence, non-cross-cutting; max 8), industries >=0.20 (max 6), areas >=0.10 (max 6; areas are keyword-matched and sparse), capabilities L1 >=0.20 (max 8); derive-market-taxonomy.py

Leaders by position (provisional)

Provisional: grouped by position, depth compared within a position only. Distribution (cloud marketplaces) and iPaaS bridges are counted beside position, never inside it. Unknown-builder listings are left out of position shares and counted here.

undeclared 904 · declares nothing we can read: no number