OnCore Developer Docs
Build with the OnCore voice AI platform
OnCore puts an AI assistant on your phone number, in the browser, and on your website — all driven by one REST API, with every conversation's outcome delivered to your servers by webhook.
Choose your path
Three ways to put an OnCore assistant in front of your customers.
Answer your first phone callGo from an empty account to your assistant answering its first phone call in about 10 minutes.Voice calls in the browserA "talk to us" button on your website — visitors speak to your OnCore assistant without dialling a number.Chat on your websitePut the same OnCore assistant that answers your phone on your website as a text chat.
Explore by feature
Everything the platform does, one page per feature.
Voice assistantsAI assistants that answer your calls in a voice you choose, follow your business's rules, and guide callers through real tasks.Phone numbers & telephonyOnCore supplies the phone number too — search, purchase, and manage numbers through the API and point each one at an assistant.Call transfersOnCore hands calls to your team — instantly, or with a spoken briefing first — whenever a caller needs a human.Multi-language callsOnCore answers callers in their own language — detected automatically on every call, with nothing to set up.Call recording & transcriptsEvery OnCore call is transcribed and summarised automatically — and audio recording is a switch you set per assistant.Knowledge baseYour assistant answers callers from your own documents — upload your content once and use it across assistants.Custom tools & integrationsOnCore's assistants call your own systems mid-conversation — looking up bookings, checking orders, and taking real action through your API.Capture formsCollect exactly the details you need from every caller — and get the answers by email or text message.In-call SMSOnCore texts the caller while they're still on the phone — links, price lists, directions — so they hang up with it in hand.Web chatPut the same OnCore assistant that answers your phone on your website as a text chat.Browser calling (WebRTC)A "talk to us" button on your website — visitors speak to your OnCore assistant without dialling a number.Reporting & webhooksOnCore pushes every call's outcome to your systems the moment it ends — and lets you pull full call history any time.WhatsAppYour OnCore assistant answers voice calls placed in WhatsApp — same number, same assistant, on the app your customers already use.
API at a glance
Every feature above is driven by the same REST API.
Every request goes to a single base URL https://core-api.heysadie.ai
Integrate
Wire OnCore into your own systems and workflows.