IP address list
Messaging Products Webhooks
🚧 IP Address List
The following IP addresses only apply to messaging related products (SMS API, Messaging Apps API, Mobile Verification API, Automation API, Number Lookup API)
If you need to restrict inbound traffic to your webhook endpoint, please allow requests originating from the following outbound IP addresses:
| Platform Region | IP Addresses |
|---|---|
| Asia Pacific | 52.220.117.120, 52.220.109.9, 18.136.13.204 |
| Indonesia | 34.101.157.207, 34.101.215.77, 34.34.217.244, 34.101.109.67 |
| Europe | 34.142.20.188, 34.142.64.178, 34.39.69.103, 34.39.114.155 |
| North America | 50.112.250.190, 100.21.170.42, 52.10.10.63 |
This list was updated on: October 13th, 2025.
Programmable Voice
For detailed Voice IP address information, see the Voice IP Addresses page.
If you need to restrict inbound traffic to your webhook endpoints, please allow requests originating from the following outbound IP addresses:
| Platform Region | IP Addresses |
|---|---|
| Asia Pacific (Singapore) | 18.140.80.2, 52.220.253.234, 54.255.116.8, 52.74.232.241 |
These IPs are used for webhook deliveries from Voice products:
- Number Masking - Voice Call Action webhook, Voice Session Summary webhook, Voice Call Status webhook, Voice Recording Uploaded webhook, Virtual Number Updated webhook
- Voice Messaging - Voice Session Summary webhook
- Interactive Voice Response - Voice Call Action webhook, Voice Session Summary webhook
This list was updated on: January 1st, 2026.
Source: https://developer.8x8.com/connect/docs/ip-address-list · 8x8 CPaaS Developer Docs. Synced for support deflection.
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