Perplexity API Billing: How Tokens Are Counted

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

How to Set up Perplexity API Webhook Notifications

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

How to Use Perplexity API for Bulk Research Automation

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

Perplexity API Concurrency Limit: How Many Parallel Requests

If you are building an application that sends multiple requests to the Perplexity API at the same time, you need to know the concurrency limit. Sending too many parallel requests can return HTTP 429 Too Many Requests errors and interrupt your service. The concurrency limit controls how many API calls your account can make simultaneously. … Read more

How to Handle Perplexity API Timeouts in Code

When your application calls the Perplexity API, a network request may hang or fail to complete within an acceptable time. This leaves your code waiting indefinitely, blocking user interactions or other critical processes. API timeouts happen when the server does not respond before your client gives up waiting. This article explains how to set request … Read more