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Upstash · Function

publishJSON

publishJSON publishes a JSON message to a URL or URL group. You can control delivery timing, callbacks, retries, timeout, deduplication, and labels.

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Syntax

client.publishJSON(options)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Client
  • batchJSON
  • queue
  • URL Group API
  • retries
  • Upstash-Timeout
  • labels

Source: Publish - Upstash Documentation. Checked 2026-11-03.