XRP
Cardano and XRP Expand Adoption of x402 Standard for AI Agent Payments
While Cardano tests the x402 payment standard for artificial intelligence agents, the XRP Ledger has already processed over 1.4 million transactions.
During the week ending September 23, 2026, Cardano and XRP recorded weekly price increases of 29.9 percent and 22 percent, respectively, reaching $0.25 and $1.58. However, both tokens have remained in negative territory for the full calendar year, with Cardano recording a 23.5 percent drop and XRP falling 13.9 percent.
Market attention has centered on network support for x402, an open protocol originally developed by Coinbase in 2025 and later assigned to the Linux Foundation. The standard enables autonomous artificial intelligence agents to pay for digital services and data requests via direct web requests using native digital assets.
According to the report, the XRP Ledger has established active transaction volume under the standard, surpassing 1 million AI transactions in July and exceeding 1.4 million overall. In contrast, Cardano's recent implementation, announced by the Cardano Foundation on September 21, currently remains in testing, having completed one trial transaction on its test network.
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