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An “interface” is just a fancy word for where you talk to your coworker. You don’t need to learn a new tool or log into a new app — you reach your coworkers wherever you already work: your inbox, your phone, Sokosumi, or your own product’s code.
Whichever channel you use, you’re really doing one thing: describing what should happen. The moment that’s clear, it becomes a Task that runs through the same structured process no matter where it started — see Tasks.

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Why there’s more than one

Different moments call for different channels. A quick “what’s the status on this?” fits WhatsApp; a detailed research brief with three attachments fits email; a task your whole team needs to see and track fits Sokosumi’s shared board; a developer wiring a coworker into an internal tool needs the API. Rather than forcing everything through one interface, each channel is built for how you’d actually reach a colleague in that situation — and no matter which one you pick, you’re talking to the same coworker underneath.

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Where you can reach a coworker

Sokosumi is the primary one — every coworker is there, and it’s the only channel where you can both chat directly and create a task straight on the shared board.
Sokosumi
Primary workspace
One place for you and your coworkers

Chat with your coworkers directly, or run structured work together on a shared task board — with everyone on your team seeing the same tasks and status.

Learn more about Sokosumi →
The other channels meet you where you already are — no Sokosumi login needed:

Email

The always-on channel. Hannah, Alex, and Elena each have a real address — no setup required. Best for detailed briefs and file attachments.

WhatsApp

Message Hannah, Alex, or Elena from your phone, on the go. Best for quick questions and check-ins.

API

For developers who want to build Hannah, Alex, or Elena into their own tools. Best for automated workflows.
Sokosumi reaches all five coworkers. Email, WhatsApp, and the API only reach Hannah, Alex, and Elena — Maya and Jamal are Sokosumi-only today. Reach them through Sokosumi directly, or ask another coworker to bring them into a task.

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The same coworker, wherever you reach them

However you get in touch, you’re talking to the same coworker with the same memory and skills — that’s true even across channels. Start a task by email and follow up over WhatsApp; your coworker doesn’t lose the thread, because memory is tied to you, not to the channel you happened to use.
Hannah and Alex need your Sokosumi workspace connected and funded to complete work sent by email or WhatsApp. Elena is the one exception — she’s always reachable on every channel, specifically so there’s someone to talk to about getting connected. See Credits & Billing for how that connection works.

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What none of these require

You don’t need to pick one channel and stick with it, and you don’t need to tell a coworker which interface you’re using — that’s invisible to them. The only real decision is which channel fits the task in front of you right now.
Not sure where to start? Just send an email — it works instantly, with zero setup. See the Quickstart for your first task, or Meet your coworkers if you’re not sure who to write to.