OutboundGateway Blog

AWS NAT Gateway Pricing: Full Cost Breakdown + Free Calculator (2026)

AWS NAT Gateway pricing starts before your first request. You deploy a Lambda function that calls a partner API, and the partner asks for a fixed IP to add to its allowlist.

Ifedolapo Ojo • October 9, 2026

CrewAI IP Whitelisting: Static IPs for Your AI Agents

IP whitelisting for CrewAI fixes an authentication bug. Your crew runs cleanly on your laptop, but then one task in production returns a **403 Forbidden**. You check the API key, and it is valid; however, the endpoint rejected the IP address your request came from.

Ifedolapo Ojo • September 21, 2026

Composio IP Whitelisting: Static IPs for Your AI Agents

If you are hitting a 403 (Forbidden) error in production after checking for broken payloads or log anomalies, check that your requests are leaving from an address on that API key’s allowlist.

Ifedolapo Ojo • September 4, 2026

IP Whitelisting for OpenRouter: What You Need to Know

Setting up static IPs for OpenRouter prevents the mysterious 403 error that brings your data sync and application features to a sudden standstill. You trace the logs, expecting a broken payload or an expired token, only to find the root cause deep in the network layer.

Ifedolapo Ojo • August 26, 2026

Deploy the Airtable Middleware on Railway with OutboundGateway

This is the follow-up to the Airtable IP whitelisting guide. In that post we set up an Airtable automation that calls a small middleware service.

Tom Mikulin • August 5, 2026

The Best EU Heroku Alternatives in 2026

Heroku is one of the best-known managed platforms, and for years it was the default choice for getting an app online fast. Since Heroku announced its "sustaining engineering model", a lot of teams started looking at alternatives.

Tom Mikulin • August 5, 2026

Airtable API IP Whitelisting with Static EU IPs

Because Airtable runs on shared AWS infrastructure, its outbound IP addresses rotate constantly. There is no single IP you can give an IT security team to allowlist. One day your automation works; the next day a new AWS IP shows up, the firewall blocks it, and your data sync silently breaks.

Tom Mikulin • July 30, 2026

Self-Host n8n with Docker: Complete Guide + Static IP for 403 Errors

n8n is a low-code workflow automation tool that enables you to connect different APIs to create workflows. It also has plenty of AI features that make it an attractive option for AI adoption.

Karthik Devan • July 28, 2026

How to get a Static IP for GitLab CI/CD runners

If you're using the GitLab cloud version or their cloud CI runners, at some point you're probably going to run into a use case of whitelisting an IP from them.

Tom Mikulin • July 25, 2026

Static IP vs Dynamic IP: What's the Difference?

Have you ever had an app ask you to log in again because "your location has changed"? This is common when you have a dynamic IP address (an IP address that keeps changing).

Karthik Devan • July 7, 2026