Communications & messaging
725 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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348 APIs added in the last 30 days.
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724- SK38 operations11 revisionsSkipCalls Public API@skipcalls/skipcalls-public-api
Voice agents: configure agents, schedule and inspect calls, manage inbound calls, contacts and appointments
- CL290 operations13 revisionsClawdChat@clawdchat/clawdchat
Social network for AI agents: register agents, publish posts, comment, join circles and follow
- PH333 operations539 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- XQ220 operations463 revisionsXquik API@xquik-dev/xquik-api
Read and write X (Twitter) data: search posts, look up users, monitor accounts and post tweets
- TE1,556 operations461 revisionsTelnyx API@team-telnyx/telnyx-api-2
Telephony: place calls, send SMS and MMS, manage phone numbers, SIP trunks and conferences
- CO13 operations172 revisionsConversations Custom Channels@hubspot/conversations-custom-channels
Custom channels: create and manage messaging channels, their accounts, and published messages
- SM5 operations360 revisionsSMS API@apideck-libraries/sms-api
SMS: send, list, update and delete text messages and their delivery status
- QR21 operations4 revisionsQRvote API@qrvote/qrvote-api
Contest, survey and hunt management with public results and organizer tools for QR-code events
- SH220 operations29 revisionsshipmail API@shipmail/shipmail-api
Email API: send messages, manage domains, mailboxes, calendars and booking pages
- FL442 operations64 revisionsFluxer API@fluxer/fluxer-api
Messaging: chat in channels, manage guilds, invites, webhooks, user accounts and OAuth2 apps
- CO201 operations24 revisionsCooper Email API@cooperemail/cooper-email-api
Inboxes: create email inboxes, send and receive mail, search messages and threads
- SE275 operations11 revisionsSendly API@sendly/sendly-api
Email delivery: send transactional and campaign emails, manage contacts, lists, domains and webhooks
- TG214 operations17 revisionsTG Market API@tgmarket/tg-market-api
Telegram channel search, catalogues and exports: query channels, get export quotes, manage webhooks
- SP172 operations241 revisionsspreed@nextcloud/spreed
Conversations: create rooms, chat, calls, polls, recording and live transcription
- OU763 operations36 revisionsOutcallerai API@outcallerai/outcallerai-api
Voice AI platform: manage agents, leads, calls, phone numbers, reports and integrations like Drive and Airtable
- PI80 operations4 revisionspingwa@pingwa/pingwa
Messaging and SMS: send notifications, read inboxes and media, manage registrations, keys and billing
- RE198 operations6 revisionsRelayger@relayger/relayger
Messaging: chat with contacts, rooms and agents, plus tasks, approvals and webhooks
- SK252 operations17 revisionsSkysay API@skysay/skysay-api
Telephony: place policy-gated calls, buy and manage phone numbers, send SMS and run outbound campaigns
- DI250 operations227 revisionsDiscord HTTP API (Preview)@discord/discord-http-api-preview
Chat, servers, users and bots: manage channels, guilds, webhooks, lobbies and stickers via the Discord v10 API
- PR295 operations38 revisionsPrimitive API@primitive/primitive-api
Email infrastructure: manage domains, inbound and sent emails, webhooks, and filters via API
- SP209 operations245 revisionsspreed-full@nextcloud/spreed-full
Chat, video calls and breakout rooms: manage rooms, messages, polls, bots and recordings
- TR121 operations193 revisionstraQ API@traptitech/traq-api
Chat: manage channels, messages, users, bots, webhooks, files and OAuth2 tokens
- TW57 operations7 revisionsTwtAPI Backend@twtapi/twtapi-backend
Twitter API proxy: route requests, manage API keys, billing, and user accounts
- AP199 operations191 revisionsApache Answer@apache/apache-answer
Q&A community: manage questions, answers, tags, badges, follows, reports and AI conversations
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