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Upsert deals by a unique value

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Upsert deals by a unique value

with HubSpot
Works with AI assistants

Use HubSpot: its Hubspot Batch API lets you upsert deals by a unique value in a single step (POST /crm/objects/2026-03/0-3/batch/upsert). HubSpot also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.

  • Can I sync opportunities from another system so existing deals update?
  • Which unique deal property can key an upsert?
Say it to your AI assistant
  • Upsert deals {deals} by unique property.
  • Sync opportunities {deals} into deals, creating or updating each.
For your developer

POST /crm/objects/2026-03/0-3/batch/upsert in Hubspot Batch API. Full spec on APIs.io.

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