emerging · 0.6 market domain

SIP

Score 22.6 / 100 11 providers +6 via APIs 12 APIs Search apis.io →

Providers using this tag (11)

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

Exemplar 1 Complete, well-documented, and agent-ready
Zoom PhoneTelecommunicationsUnited StatesUCaaSCloud PBX2 APIs67.4
Strong 3 Solid coverage with minor gaps
SignalWireCompanyCommunicationsCPaaSVoice4 APIs65.4SynthflowVoiceVoice AgentsNo-CodeTelephony1 API59.9FixieCompanyVoice AIConversational AIReal-Time1 API57.9
Developing 2 Usable, with meaningful gaps to close
Cisco ExpresswayCollaborationFirewall TraversalH.323Session Border Controller2 APIs52.5NfonCompanyTelecommunicationsCloud TelephonyUCaaS3 APIs45.8
Thin 2 Limited public surface area
WazoTelephonyVoIPUnified CommunicationsUCaaS25 APIs38.4JitsiVideo ConferencingWebRTCReal-Time CommunicationOpen Source10 APIs33.2
Emerging 2 Early or largely undocumented
callagent.proAI AgentsVoiceTelephonyPhone Agents1 API17.0Callab AIVoice AIConversational AITelephonyContact Center1 API15.9
Minimal 1 Almost no public developer surface
SubspaceCompanyNetworkingReal-TimeWebRTC1 API0.0

APIs with this tag (12)

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
OpenAI Realtime APIThe Realtime API enables low-latency, bidirectional communication with models that natively support speech-...86.0
Strong 2 Solid coverage with minor gaps
Fixie Sip APIThe sip API from Fixie — 3 operation(s) for sip.57.9Zoom CRC APIThe Zoom Conference Room Connector API allows developers to programmatically manage Cisco and Polycom confe...55.8
Developing 5 Usable, with meaningful gaps to close
Cisco Expressway SIP APISIP protocol configuration52.5Sarj AI Developer API Sip APIThe sip API from Sarj AI Developer API — 7 operation(s) for sip.41.3Plivo Endpoint APIThe Plivo Endpoint API manages SIP/WebRTC endpoints (username/password/alias) used by softphones, browser S...40.5Plivo SIP Authentication APIThe Plivo SIP Authentication API issues per-account credentials used by SIP endpoints to register against P...40.5Plivo Zentrunk SIP Trunking APIThe Plivo Zentrunk SIP Trunking API manages termination and origination SIP trunks — outbound trunks (crede...40.5
Thin 4 Limited public surface area
Wazo Phone Provisioning API (wazo-provd)Phone auto-provisioning service. Manages device plugins, configuration templates, device registrations, DHC...38.4Wazo Sip APIThe sip API from Wazo — 11 operation(s) for sip.38.4Vonage Video API SIP APIDial SIP/PSTN endpoints into a session and play DTMF.33.2LiveKit SIP (Telephony) APISIP integration for inbound and outbound PSTN calls bridged into LiveKit rooms.31.7

Companies reaching this through an API (6)

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

LiveKit OpenAI Plivo Sarj AI Developer API Vonage Video API Zoom

Score breakdown

Frequency
43.6
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
54.6
mean composite of providers using it
Cohesion
4.8
strength of nearest seed neighbor

Related tags

WebRTC 8 co-occurrences Phone Numbers 7 co-occurrences Telephony 8 co-occurrences Recording 6 co-occurrences Voice 11 co-occurrences Contact Center 5 co-occurrences

Where this tag comes from

Provider tag11
Api tag12
Openapi tag5
Openapi op tag44

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Tools for tags

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  • 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/sip"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/sip/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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