communication APIs, ranked for agents
The 33 communication APIs in the Index, tiered by band. Rank is within the category; scores decompose into Discovery and Comprehension on every row.
Sharp
85+Agents read these docs at full fidelity1 APIs · median discovery 84 · comprehension 97Clear
75+Readable with minor friction7 APIs · median discovery 45 · comprehension 96Legible
60+Usable, with real gaps13 APIs · median discovery 34 · comprehension 83Murky
40+Agents misread these docs often6 APIs · median discovery 33 · comprehension 62Opaque
0+Effectively unreadable to agents2 APIs · median discovery 54 · comprehension 31Off the ladder
not scorable from public docs — reason published per API4Docs host returned nothing agent-readable.
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docs-unreachable: docs host(s) [customerio.com] yielded 0 agent-readable tokens (< 15000); 0 shell page(s) detected; F6 fallback tried 12 URL(s) without finding a readable docs surface
Docs host returned nothing agent-readable.
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docs-unreachable: docs host(s) [mailchimp.com] yielded 0 agent-readable tokens (< 15000); 0 shell page(s) detected; F6 fallback tried 12 URL(s) without finding a readable docs surface
Docs host returned nothing agent-readable.
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docs-unreachable: docs host(s) [stream.com, stream-three-psi.vercel.app] yielded 0 agent-readable tokens (< 15000); 0 shell page(s) detected; F6 fallback tried 12 URL(s) without finding a readable docs surface
Docs too thin to score: 696 agent-readable tokens.
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docs-unreachable: docs host(s) [whatsappcloud.com] yielded 696 agent-readable tokens (< 15000); 0 shell page(s) detected; F6 fallback tried 12 URL(s) without finding a readable docs surface