Choose Your Role

Select the path that matches what you want to build

How it works: Client requests protected resource → Server responds with 402 + payment details → Client signs payment and submits through facilitator → Client retries with proof of payment.

Client

I want to pay for APIs

Learn to call payment-gated APIs and handle 402 responses

8 lessons • ~35 min

Not started
Start Client Path

Server

I want to accept payments

Learn to protect your API endpoints and accept x402 payments

8 lessons • ~40 min

Not started
Start Server Path

Facilitator

I want to enable payments

Learn to build or host facilitators that power x402 transactions

3 lessons • ~15 min

Not started
Start Facilitator Path