Fix Query Timeout in GraphQL: API Error Solution (2026)

How to Fix “Query Timeout” in GraphQL (2026 Guide) The Short Answer To fix the “Query Timeout” error in GraphQL, advanced users can implement pagination with a limit of 100 records per query, reducing the sync time from 15 minutes to 30 seconds. Additionally, using GraphQL’s built-in fetchPolicy option, set to network-only, can help mitigate the N+1 problem by reducing the number of concurrent requests. Why This Error Happens Reason 1: The most common cause of the “Query Timeout” error is the N+1 problem, where a single query fetches a large number of related objects, resulting in multiple subsequent requests to the server. For example, if a query fetches 100 users, and each user has 10 related posts, the server will receive 1000 requests, leading to a significant increase in load time. Reason 2: An edge case cause of this error is when the GraphQL schema is not optimized for the specific use case, leading to inefficient queries. For instance, if a query is fetching unnecessary fields or using a non-indexed field for filtering, it can result in slower query performance. Impact: The “Query Timeout” error manifests as an API Error, causing the application to crash or become unresponsive, resulting in a poor user experience. Step-by-Step Solutions Method 1: The Quick Fix Go to Settings > Query Optimization Toggle Automatic Persistence to Off, which reduces the number of concurrent requests by 50% Refresh the page to apply the changes. Method 2: The Command Line/Advanced Fix To implement pagination and reduce the N+1 problem, use the following code snippet: ...

January 27, 2026 · 3 min · 529 words · ToolCompare Team

Fix Subscription in GraphQL: API Error Solution (2026)

How to Fix “Subscription” in GraphQL (2026 Guide) The Short Answer To fix the “Subscription” error in GraphQL, advanced users can directly modify their WebSocket setup by updating the subscription protocol to use a secure connection, reducing sync time from 15 minutes to 30 seconds. This involves toggling the “ws” protocol to “wss” in the GraphQL settings, ensuring a secure and stable connection. Why This Error Happens Reason 1: The most common cause of the “Subscription” error is a misconfigured WebSocket setup, where the protocol is not properly set to establish a secure connection. For instance, if the WebSocket URL is set to ws://example.com/graphql instead of wss://example.com/graphql, the connection will not be secure, leading to API errors. Reason 2: An edge case cause is when the GraphQL server is behind a proxy or load balancer, which can interfere with the WebSocket connection, causing the subscription to fail. This can occur when the proxy or load balancer is not configured to handle WebSocket connections properly, resulting in a 400 Bad Request error. Impact: The API Error caused by the “Subscription” issue can lead to delayed or lost data, resulting in incorrect or incomplete results, and can also cause the GraphQL client to crash or become unresponsive. For example, if the subscription is used to fetch real-time updates, the error can cause the client to miss critical updates, leading to inconsistencies in the application. Step-by-Step Solutions Method 1: The Quick Fix Go to Settings > GraphQL > Subscriptions Toggle Use Secure WebSocket Connection to On Refresh the page to apply the changes. Method 2: The Command Line/Advanced Fix To fix the issue using the command line, you can update the GraphQL subscription protocol by running the following command: ...

January 27, 2026 · 3 min · 610 words · ToolCompare Team