---
title: Api Gateway Troubleshooting — Invoked Exchange skill
description: Diagnoses failing requests and deployment errors on Google Cloud API Gateway. Use when calls through a gateway return 4xx or 5xx errors, including 429 and other quota errors, time out, or fail a CORS preflight; when `api-configs create` fails with a service account, concurrency, or limit error, or `gateways create` or `gateways update` fails; when a custom domain, load balancer, or TLS finding involves a gateway; or when the user asks if Google is at fault. Don't use for Apigee, Cloud Endpoints, or GKE Gateway API. For OpenAPI errors from `api-configs create`, use api-gateway-openapi-spec-authoring; for setting up or changing API keys, JWTs, or quotas, use api-gateway-backend-security-and-rate-limiting; for MCP `/mcp` errors, use api-gateway-mcp-server.
doc_version: "1.0"
last_updated: "2026-11-12T18:43:28.334Z"
canonical: https://invoked.ai/skills/api-gateway-troubleshooting
---

# Api Gateway Troubleshooting

Diagnoses failing requests and deployment errors on Google Cloud API Gateway. Use when calls through a gateway return 4xx or 5xx errors, including 429 and other quota errors, time out, or fail a CORS preflight; when `api-configs create` fails with a service account, concurrency, or limit error, or `gateways create` or `gateways update` fails; when a custom domain, load balancer, or TLS finding involves a gateway; or when the user asks if Google is at fault. Don't use for Apigee, Cloud Endpoints, or GKE Gateway API. For OpenAPI errors from `api-configs create`, use api-gateway-openapi-spec-authoring; for setting up or changing API keys, JWTs, or quotas, use api-gateway-backend-security-and-rate-limiting; for MCP `/mcp` errors, use api-gateway-mcp-server.

- Shared by: google/skills
- Composes surfaces: 
- Tool chain: 
- Add to Invoked: https://invoked.ai/skills/api-gateway-troubleshooting

## Community usage

_Building — published once enough workspaces have run this skill._

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