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Sumvin is the orchestration layer for identity-anchored money. The Platform API gives you four products — for verified identity, for agent tasking, the money agent, and for payments — on top of user accounts, multi-chain wallets, verification, and configurable onboarding, so you build without owning the infrastructure.

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What You Can Build

DomainCapabilities
Accounts & IdentityUser registration, multi-provider auth, phone verification, KYC
Wallets and Safe (multisig) wallets across EVM chains
AssetsMulti-chain asset balances and portfolio tracking
OnboardingStep-based flows with per-platform configuration

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How It Fits Together

Users sign up through your app. The Platform API creates their account, runs them through a configurable onboarding flow (phone verification, KYC, wallet setup), and provisions a Safe smart account wallet as their on-chain identity anchor. From there, your app can manage wallets, query balances, and use the Sumvin Identity Service to issue verifiable credentials to third parties.
Looking to verify Sumvin identity credentials (s, s) as a merchant or service provider? See the Verifier Guide.

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Who This Is For

You are…Start here
An app developer integrating SumvinQuickstart to make your first API call, then the Guides for onboarding, KYC, and wallets
Building Sigil identity flows (Stamped Mandates)Identity & PINTs for creating and managing reusable credentials
A merchant or service provider verifying credentialsVerifier Guide for JWT and PINT signature validation

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Next Steps

The Platform API is not a wrapper. It’s the substrate — and once a user exists inside it, every downstream primitive becomes addressable.

Quickstart

Make your first API call in under 5 minutes

Authentication

Set up API authentication

Identity & PINTs

Understand Sumvin ID and reusable identity

Verifier Guide

Verify Sumvin credentials as a merchant