Messages sent to SIM webhooks require a key specific to the SIM, which must be included in the JSON message body send to the webhook. More details about the call can be found in the SIM webhooks guide.Documentation Index
Fetch the complete documentation index at: https://docs.hologram.io/llms.txt
Use this file to discover all available pages before exploring further.
- Find your SIM in the SIMs pages or using global search.
- Open the Webhooks tab and click Show key in the Webhook card.
- Copy the key or generate a new one as needed. Device keys do not expire.
SIM webhooks
Learn how to configure SIM webhooks
Related guides
Embedded API reference
Learn how to send messages from your device firmware