Cardano has joined the x402 payment standard through an official SDK integration, letting applications and AI agents pay for API calls with ADA or Cardano native tokens. The move places the network alongside Solana and XRP Ledger in the market for automated internet payments, and ADA's price has climbed about 6% in 24 hours.
Cardano has joined the x402 payment standard through an official SDK integration, allowing applications and AI agents to pay for API calls and other online services using ADA or Cardano native tokens. The rollout puts the network alongside Solana and XRP Ledger in the emerging market for automated internet payments, while ADA's price has climbed about 6% in 24 hours.
Cardano Adds x402 Support for AI Agent Payments
The Cardano Foundation announced on September 21 that the x402 integration is available through npm, giving developers a way to build applications and AI agents that send and receive ADA or Cardano native tokens over HTTP. The integration makes Cardano part of the official x402 SDK, so an application or agent can pay for an API request without creating an account, obtaining an API key, or using a checkout page.
According to the foundation, Cardano's specification was merged in June. Its engineers then built the client, server, and facilitator components. Working with the Masumi Network team, they also added Masumi as a transfer method and completed a three-month review.
Open-Source Rollout Starts With TypeScript
Developers can install the package using npm install @x402/cardano. The demo and facilitator are open source, and TypeScript is the first supported language, with Python support planned next.
The x402 standard uses HTTP's existing "402 Payment Required" status code to initiate payments. When a request arrives without payment, a server can return a 402 response, prompting the client to pay and retry.
Source: CryptoPotato
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