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NaimalArain13
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better-auth-python

Verify Better Auth JWTs in Python FastAPI backends using JWKS.

2|Updated Dec 4, 2025
Search Tags:#jwt#SQLModel#FastAPI#SQLAlchemy#JWKS#Better Auth
One-click install
npx skills add https://github.com/NaimalArain13/Hackathon-II_The-Evolution-of-Todo --skill better-auth-python-naimalarain13
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: better-auth-python
Source: https://github.com/NaimalArain13/Hackathon-II_The-Evolution-of-Todo/tree/main/.claude/skills/better-auth-python
Command: npx skills add https://github.com/NaimalArain13/Hackathon-II_The-Evolution-of-Todo --skill better-auth-python-naimalarain13

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill enables Python FastAPI backends to verify JWTs issued by a Better Auth server using JWKS, enabling secure API access without managing cryptographic keys manually.

Core Features & Use Cases

  • JWT verification for FastAPI endpoints using JWKS, with support for protected routes and user data extraction from JWT claims.
  • ORM integrations with SQLModel and SQLAlchemy to relate authenticated users to resources.
  • End-to-end integration guidance between a Next.js frontend and the Better Auth service, including token handling and dependency wiring.

Quick Start

Install dependencies: python -m pip install fastapi uvicorn pyjwt cryptography httpx. Set BETTER_AUTH_URL to the Better Auth server URL. Choose your ORM (SQLModel or SQLAlchemy) and follow the examples in the skill repository for wiring get_current_user and protected routes.

Frequently Asked Questions about better-auth-python

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I verify Better Auth JWTs in a FastAPI backend?▼

To verify Better Auth JWTs in a FastAPI backend, use JWKS endpoint verification via PyJWT and cryptography, extracting user data from claims to secure protected routes without manual key management.

What is the best way to secure FastAPI routes with Better Auth JWKS?▼

Securing FastAPI routes with Better Auth JWKS involves fetching public keys from the BETTER_AUTH_URL endpoint, verifying token signatures using PyJWT, and wiring get_current_user dependencies to validate protected endpoints.

Can I use SQLModel or SQLAlchemy to map authenticated users in FastAPI?▼

Yes, you can use SQLModel or SQLAlchemy to map authenticated users in FastAPI by integrating ORM dependencies that relate extracted JWT claims to database resources for protected route access.

How do I connect a Next.js frontend to a FastAPI backend using Better Auth?▼

Connecting a Next.js frontend to FastAPI using Better Auth requires handling token issuance from the Better Auth service, passing JWTs to FastAPI endpoints, and wiring dependencies to validate the JWKS tokens end-to-end.

What dependencies do I need to verify JWKS tokens in FastAPI?▼

Verifying JWKS tokens in FastAPI requires installing fastapi, uvicorn, pyjwt, cryptography, and httpx, alongside configuring an accessible BETTER_AUTH_URL endpoint to fetch authorization keys at runtime.

Why verify JWTs with JWKS instead of static keys in FastAPI?▼

Verifying JWTs with JWKS in FastAPI allows secure API access by dynamically fetching public keys from the Better Auth server, eliminating manual cryptographic key rotation and management overhead.

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