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The Errand API gives partners a single surface for expressing shopping intents, qualifying candidates, and executing purchases through Sumvin’s agentic-commerce engine.

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What it covers

Candidate qualification against a user intent, manifest assembly, and hand-off to and agent signers for execution. This API is designed to be the one surface a partner integrates against rather than calling the underlying engine directly.

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Who it’s for

App developers building agentic commerce experiences on Sumvin, and merchants who want structured intent-to-purchase flows instead of bespoke search-plus-checkout integrations.
The Errand API is in private preview. Partners integrating now help shape the intent, qualification, and execution contracts before they harden — contact your account manager to co-design your Errand surface.

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Where to start

  1. Errand overview — how the engine is composed.
  2. Errand lifecycle — how a shopping intent becomes an executed action.
  3. Agent signers — the P-256 keys that sign on a user’s behalf.
  4. Set up an Errand — stand up a long-running shopping agent.