# JWT Decoder & Verifier — Bulk (`hipersoft/jwt-decode-verify`) Actor

Decode JWT header and payload, and optionally verify the signature and expiry against a secret or JWKS. Debug and audit auth tokens in bulk.

- **URL**: https://apify.com/hipersoft/jwt-decode-verify.md
- **Developed by:** [hiper soft](https://apify.com/hipersoft) (community)
- **Categories:** Developer tools, Other
- **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, 0 bookmarks
- **User rating**: No ratings yet

## Pricing

from $0.0005 / jwt processed

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.
Since this Actor supports Apify Store discounts, the price gets lower the higher subscription plan you have.

Learn more: https://docs.apify.com/actors/running/actors-in-store.md#pay-per-event

## What's an Apify Actor?

Actors are web data automations that power AI and operations. They run on the Apify platform to scrape websites, process data, connect APIs, and automate workflows.
In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours,
and optionally produces a well-defined JSON output, datasets with results, or files in key-value store.
In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server.
Actors are written with capital "A".

## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.
The best way to integrate Actors is as follows.

- **AI agents and MCP clients** — the [Apify MCP server](https://docs.apify.com/integrations/mcp.md) at `https://mcp.apify.com` (remote, streamable HTTP, OAuth on first use).
- **Agentic workflows and local Actor development** — [Agent Skills](https://apify.com/.well-known/agent-skills/index.json) with the [Apify CLI](https://docs.apify.com/cli/docs.md): `npm install -g apify-cli`, then `apify login`.
- **JavaScript/TypeScript projects** — the official [JS/TS client](https://docs.apify.com/api/client/js/docs.md): `npm install apify-client`.
- **Python projects** — the official [Python client](https://docs.apify.com/api/client/python/docs.md): `pip install apify-client`.
- **Any other language** — the [REST API](https://docs.apify.com/api/v2.md).

For usage examples, see the [API](#api) section below.

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).

# README

## JWT Decoder & Verifier — Bulk

**Decode JWT header and payload, and optionally verify the signature and expiry** — in bulk. Debug auth tokens, inspect claims, and audit expiry across many tokens at once, with support for HMAC secrets and JWKS-based verification.

### What it does

- **Decodes** the header and payload of each JWT (claims, issuer, subject, audience, timestamps).
- Flags **expired** tokens.
- Optionally **verifies the signature** against a secret / public key, or a **JWKS** endpoint (RS256/ES256).

### Use cases

- **Backend debugging** — inspect what a token actually contains.
- **Auth audits** — check claims and expiry across many tokens.
- **Integration testing** — verify tokens from an identity provider.

### Input

```json
{ "tokens": ["eyJhbGci..."], "secret": "", "jwksUri": "" }
```

| Field | Type | Description |
|---|---|---|
| `tokens` | array | JWTs to decode/verify. |
| `secret` | string | Optional HMAC secret or PEM public key. |
| `jwksUri` | string | Optional JWKS endpoint for RS/ES tokens. |

### Output

```json
{ "algorithm": "HS256", "issuer": "acme", "expiresAt": "2026-01-01T00:00:00.000Z", "expired": true, "signatureVerified": null, "valid": false, "payload": { "sub": "1234567890" } }
```

#### Output schema

| Field | Type | Description |
|---|---|---|
| `valid` | boolean | Signature verified AND not expired. |
| `expired` | boolean | Whether the token is past its `exp`. |
| `algorithm` | string | Signing algorithm. |

### FAQ

**Can I verify signatures?** Yes — provide a `secret`/public key, or a `jwksUri` for provider-signed tokens.

**Can I automate it?** Yes — via [integrations on the Apify platform](https://apify.com/integrations) and the [Apify API](https://docs.apify.com/api/v2).

### Notes

Original clean-room implementation. Tokens are processed only to decode/verify them.

# Actor input Schema

## `tokens` (type: `array`):

One or more JSON Web Tokens to decode (and optionally verify).

## `secret` (type: `string`):

Optional HMAC secret or PEM public key to verify the signature. Leave empty to only decode.

## `jwksUri` (type: `string`):

Optional JWKS endpoint to fetch the signing key for RS256/ES256 tokens (uses the token's kid).

## Actor input object example

```json
{
  "tokens": [
    "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkFkYSIsImlhdCI6MTUxNjIzOTAyMn0.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
  ]
}
```

# Actor output Schema

## `results` (type: `string`):

The results as dataset items.

# API

You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup.

## JavaScript example

```javascript
import { ApifyClient } from 'apify-client';

// Initialize the ApifyClient with your Apify API token
// Replace the '<YOUR_API_TOKEN>' with your token
const client = new ApifyClient({
    token: '<YOUR_API_TOKEN>',
});

// Prepare Actor input
const input = {
    "tokens": [
        "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkFkYSIsImlhdCI6MTUxNjIzOTAyMn0.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
    ]
};

// Run the Actor and wait for it to finish
const run = await client.actor("hipersoft/jwt-decode-verify").call(input);

// Fetch and print Actor results from the run's dataset (if any)
console.log('Results from dataset');
console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach((item) => {
    console.dir(item);
});

// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

```

## Python example

```python
from apify_client import ApifyClient

# Initialize the ApifyClient with your Apify API token
# Replace '<YOUR_API_TOKEN>' with your token.
client = ApifyClient("<YOUR_API_TOKEN>")

# Prepare the Actor input
run_input = { "tokens": ["eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkFkYSIsImlhdCI6MTUxNjIzOTAyMn0.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"] }

# Run the Actor and wait for it to finish
run = client.actor("hipersoft/jwt-decode-verify").call(run_input=run_input)

# Fetch and print Actor results from the run's dataset (if there are any)
print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
for item in client.dataset(run.default_dataset_id).iterate_items():
    print(item)

# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

```

## CLI example

```bash
echo '{
  "tokens": [
    "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkFkYSIsImlhdCI6MTUxNjIzOTAyMn0.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
  ]
}' |
apify call hipersoft/jwt-decode-verify --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "type": "http",
            "url": "https://mcp.apify.com/?tools=fetch-actor-details,hipersoft/jwt-decode-verify"
        }
    }
}

```

The hosted server signs you in with OAuth on first connect, so no API token belongs in this config. Clients without OAuth support can send an `Authorization: Bearer <APIFY_API_TOKEN>` header instead, using a token from API & Integrations in Apify Console (https://console.apify.com/settings/integrations).

## OpenAPI specification

Download the OpenAPI definition: https://api.apify.com/v2/actors/TlnjJozeNiNNOhMuF/builds/sr84S5nH3TAnza8hd/openapi.json