Guides
Create a paid link or connect an x402 client.
Sellers
How to create a paid link
Sell access to a PDF, Notion template, or other file with Payfirst. Set a price, share your paid link, and receive USDC on Base.
Read guideDevelopers
How x402 paid links work
Integrate Payfirst paid links with an x402 V2 client. Read payment terms, pay USDC, handle the redirect, and recover interrupted requests.
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