Communications & messaging
698 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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323 APIs added in the last 30 days.
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700- PR36 operations4 revisionsPrzypominamy.com SMS API@przypominamy/przypominamy-com-sms-api
Messaging: send SMS to one or many recipients, with templates, contacts, HLR lookups and webhooks
- FA6 operations2 revisionsFaxolution for Applications (Fax4A) REST API@retarus/faxolution-for-applications-fax4a-rest-api
Fax: send faxes and retrieve, delete status reports for sent fax jobs
- WE18 operations1 revisionWestFax Secure Fax API@westfax/westfax-secure-fax-api
Fax: send and track secure, HIPAA-compliant faxes, inbound and outbound, at enterprise volume
- XQ219 operations412 revisionsXquik API@xquik-dev/xquik-api
Read and automate X: search posts, look up users, manage monitors, webhooks and writes
- NH9 operations113 revisionsNHS Notify API@nhs/nhs-notify-api
Messaging: send single or batch notifications, track message status and read recipient responses
- TW3 operations98 revisionsTwilio API definition for public-api voice@twilio/twilio-voice
Voice: create, list and fetch transcriptions of call recordings from a media URL or source ID
- TW15 operations110 revisionsTwilio - Notify@twilio/notify-v1
Messaging: send notifications and manage services, credentials and bindings
- TW7 operations202 revisionsTwilio - Pricing@twilio/twilio-pricing
Pricing: look up messaging, voice and phone number rates by country
- NO149 operations20 revisionsNovu API@novu/novu-api
Notifications: trigger events, manage subscribers, topics, workflows, messages and integrations
- PH333 operations498 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- DE155 operations21 revisionsDEPRECATED: Novu API. Use /openapi.{json,yaml} instead.@novu/deprecated-novu-api-use-openapi-json-yaml-instead
Notifications: trigger events, manage subscribers, workflows, topics, messages and integrations
- TW1 operation246 revisionsTwilio - Chat@twilio/twilio-chat
Messaging: manage chat channels, including updating channel details within a service
- VO44 operations52 revisionsVoice Logica API@voicelogica/voice-logica-api
Voice AI: place outbound AI calls, run campaigns, query calls, SMS and SIP trunks
- EM100 operations7 revisionsEmailEngine API@emailengine/emailengine-api
Email: manage accounts, folders and messages, send and queue mail, run deliverability tests
- KI48 operations7 revisionsKivra Sweden API@kivra/kivra-sweden-api
Messaging: send digital mail, forms, agreements and payment webhooks to Swedish users and companies
- OP83 operations91 revisionsOpen Tree Hole@opentreehole/open-tree-hole
Anonymous BBS: browse divisions and holes, post floors, manage tags, reports, subscriptions and bans
- SP172 operations134 revisionsspreed@nextcloud/spreed
Conversations: create rooms, chat, calls, polls, recording and live transcription
- AR32 operations5 revisionsArtil API@artil/artil-api
Agent inboxes, SMS numbers and Telegram bots: send messages, manage addresses and stream events
- SE917 operations32 revisionsSendSeven@sendseven/sendseven
Messaging: send WhatsApp, SMS and Telegram messages, manage conversations, contacts and campaigns
- TW61 operations85 revisionsTwilio - Trusthub@twilio/trusthub-v1
Trust Hub compliance: register brands and campaigns, manage customer profiles, trust products and supporting documents
- TW39 operations91 revisionsTwilio - Video@twilio/video-v1
Video rooms: create and manage rooms, participants, recordings, compositions and track subscriptions
- CH133 operations3 revisionsChatGenius REST API@sumgenius/chatgenius-rest-api
Messaging and automation: manage contacts, conversations, flows, appointments, posts and webhooks
- TW197 operations95 revisionsTwilio - Api@twilio/twilio-api
Communications: place and track calls, send messages, and manage phone numbers, SIP domains and recordings
- DY63 operations118 revisionsDyte REST APIs@dyte-io/dyte-rest-apis
Video meetings: create meetings, manage live sessions, recordings, livestreams, presets and webhooks
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