Communications & messaging
698 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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321 APIs added in the last 30 days.
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698- PH333 operations490 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- TE1,547 operations340 revisionsTelnyx API@team-telnyx/telnyx-api-2
Telephony: place calls, send SMS and MMS, manage phone numbers, SIP trunks and conferences
- AP199 operations90 revisionsApache Answer@apache/apache-answer
Q&A community: manage questions, answers, tags, badges, follows, reports and AI conversations
- TW103 operations91 revisionsTwilio - Conversations@twilio/conversations-v1
Messaging: create conversations, manage participants, send messages and read delivery receipts
- TA28 operations76 revisionsTamTam Bot API@tamtam/tamtam-bot-api
Messaging: send, edit and pin messages, manage chats, members and bot subscriptions
- VO137 operations21 revisionsvolai REST API@volai/volai-rest-api
Phone numbers, calls and SMS, plus AI voice agents for placing and receiving calls
- KA217 operations15 revisionsKaiCalls Public API@kaicalls/kaicalls-public-api
AI voice agents: answer calls, manage leads, campaigns, SMS, meetings and call analytics
- TW54 operations160 revisionsTwilio - Ip_messaging@twilio/twilio-ip-messaging
Messaging: manage chat services, channels, members, messages, users, roles and webhooks
- SP9 operations96 revisionsspreed-federation@nextcloud/spreed-federation
Chat and video rooms: list, accept or decline federation invites, join or leave rooms, fetch user avatars
- TW7 operations182 revisionsTwilio - Pricing@twilio/twilio-pricing
Pricing: look up messaging, voice and phone number rates by country
- AW67 operations4 revisionsAwrAIter REST v1@awraiter/awraiter-rest-v1
Telegram channel tools: check duplicates, draft and schedule posts, and read channel stats and insights
- TW1 operation125 revisionsTwilio - Messaging@twilio/twilio-messaging
Messaging: send typing indicators and look up WhatsApp Business Accounts for OTT channels
- WP158 operations97 revisionsWPPConnect API Rest@wppconnect-team/wppconnect-api-rest
WhatsApp automation: send messages, manage chats, groups, contacts, labels and status stories
- SP356 operations194 revisionsSpacebar Server@spacebarchat/spacebar-server
Chat platform: manage webhooks, user settings, channel attachments and avatar decorations
- 3G41 operations6 revisions3GPP Scout API@3gppscout/3gpp-scout-api
Telecom standards: search 3GPP specs, TDocs, meetings, RFCs and proposal comparisons
- FL438 operations60 revisionsFluxer API@fluxer/fluxer-api
Messaging: chat in channels, manage guilds, invites, webhooks, read states and user profiles
- BI528 operations96 revisionsBird API@messagebird/bird-api
Messaging: send email, SMS, WhatsApp and Apple messages, manage contacts and templates
- AP191 operations41 revisionsAPI Reference@agentmail-to/agentmail-to
Email: create inboxes, send and read messages, threads, drafts, webhooks and domains for agents
- GR132 operations23 revisionsGroundmail API@groundmail/groundmail-api
Transactional email: send messages, manage domains, senders, mailboxes and webhooks
- EV25 operations14 revisionsEvent API@spotnana/event-api
Events: create and publish events, manage travelers, RSVPs, invites and bookings
- XQ219 operations407 revisionsXquik API@xquik-dev/xquik-api
Read and automate X: search posts, look up users, monitor accounts, and post tweets via API
- RE111 operations60 revisionsRetell SDK@retellai/retell-sdk
Voice AI agents: build and test call agents, phone numbers, chat, and knowledge bases
- TW15 operations90 revisionsTwilio - Notify@twilio/notify-v1
Messaging: send notifications and manage services, credentials and bindings
- TW3 operations78 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
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