When using the Perplexity API with the Sonar model, you may find that your carefully crafted system prompt is completely ignored. The model returns answers as if no instructions were given, defaulting to its base behavior. This happens because the Sonar model has a specific requirement for how system prompts are structured in the API … Read more
You want to integrate Perplexity’s search and AI capabilities into your Node.js application. The Perplexity API provides programmatic access to the same large language models that power the Perplexity web app, enabling you to build custom search tools, chatbots, and automation workflows. This article explains how to set up a Node.js client, authenticate your requests, … Read more
Perplexity provides a Node.js SDK to integrate its AI search and answer capabilities into your applications. Without a proper SDK setup, you must write raw HTTP requests and handle authentication manually. This article explains how to install the Perplexity Node.js SDK, configure it with your API key, and run a basic query. You will complete … Read more
When you query the Perplexity API, the default search behavior returns results from any time period. This can include outdated information that is not useful for tasks requiring the latest news, recent events, or time-sensitive data. The search recency filter lets you restrict results to a specific time range, such as the past day, week, … Read more
When you set a recency filter in the Perplexity API to limit results to the last week or month, the API may still return older sources. This defeats the purpose of the filter and can make your application appear stale. The problem is caused by how the API handles the recency parameter in combination with … Read more
If you use the Perplexity API for search, research, or question answering, you need to monitor your usage and cost. Without tracking, you may exceed your budget or hit rate limits unexpectedly. This article explains how to view your API usage dashboard, check remaining credits, and set spending alerts. You will learn the exact steps … Read more
Developers using the Perplexity API often receive unexpected charges because they do not understand how tokens are counted. The Perplexity API charges based on the total number of tokens sent in a request and received in a response. Token counting includes the prompt, the system instructions, any context, and the generated answer. This article explains … Read more
Perplexity API users often need to receive real-time updates when a search or analysis completes, rather than polling the API manually. Webhook notifications let Perplexity push results directly to your server when a task finishes, saving bandwidth and reducing latency. This article explains how to configure a webhook endpoint, register it with Perplexity, and handle … Read more
You set up a webhook in the Perplexity API to receive real-time data, but the endpoint never receives a POST request. This usually happens because of a misconfiguration in the webhook URL, an incorrect event selection, or a network-level block. This article explains why the webhook fails to trigger and provides step-by-step fixes to get … Read more
You need to collect large amounts of information from multiple sources without manually typing each query into a browser. The Perplexity API lets you send multiple search requests programmatically and retrieve structured answers. This article explains how to set up the API, write batch scripts, and handle large volumes of research data efficiently. Key Takeaways: … Read more