---
title: "How to Debug API Issues with JWT Decoders"
url: https://daily.dev/posts/how-to-debug-api-issues-with-jwt-decoders-qtrpttsl5
source_url: https://blog.openreplay.com/how-to-debug-api-issues-with-jwt-decoders/
type: article
source: "asayer"
published: 2025-01-12T11:44:18.913Z
updated: 2025-01-12T11:44:38.855Z
tags: ["security", "webdev", "jwt"]
reading_time: 3
upvotes: 21
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# How to Debug API Issues with JWT Decoders

**[asayer](https://daily.dev/sources/asayer)** · 3 min read · 21 upvotes · 0 comments

## Summary

APIs use JWTs for authentication, authorization, and data integrity. A JWT decoder is a useful tool for debugging API issues by inspecting and validating tokens. Key tasks include checking for expired or invalid tokens, verifying claims, and ensuring the signature hasn't been tampered with.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://blog.openreplay.com/how-to-debug-api-issues-with-jwt-decoders/>

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---

Tags: [#security](https://daily.dev/tags/security), [#webdev](https://daily.dev/tags/webdev), [#jwt](https://daily.dev/tags/jwt)

[View this post on daily.dev](https://daily.dev/posts/how-to-debug-api-issues-with-jwt-decoders-qtrpttsl5)