- Stellar added x402 support to enable AI agents and apps to pay for APIs and digital services through direct stablecoin transactions.
- x402 enables machine-t0-machine payments to settle instantly and at low fees across a blockchain network.
Stellar has launched x402 support to help power AI and machine payments across the web. The move targets a growing need in digital commerce, where software agents must pay for services without human input. It also gives developers a way to charge for online resources through direct stablecoin payments.
Traditional web payments often depend on accounts, subscriptions, API keys, and manual billing steps. Those tools work for human users, but they slow down autonomous systems. AI agents cannot act freely when a payment flow requires a person to approve every service in advance. Stellar’s x402 support addresses that problem by enabling direct payment inside the request process.
The x402 protocol turns the HTTP 402 “Payment Required” status code into a working payment method. A client requests a paid resource; the server returns a price; the client sends a stablecoin payment; and the server delivers the resource. This model cuts out extra onboarding steps and lets software complete paid actions in one flow.
When an AI agent hits a paywall, its autonomy ends.
x402 on Stellar fixes that. One HTTP request. One stablecoin payment. No accounts, no API keys, no human in the loop.
The internet was built to move information. Now it moves money too.
Check it out. https://t.co/7zMmCFucfS
— Stellar (@StellarOrg) March 10, 2026
Coinbase introduced x402 last year for machine-led commerce. Since then, it has processed millions of payments. Google has integrated it into its Agent Payments Protocol, while x402 V2 introduced reusable sessions, multi-chain support, and service discovery in December 2025.
Last month, we reported that Algorand joined Coinbase’s x402 payments ecosystem through GoPlausible, allowing APIs and websites to accept crypto payments over the open internet.
Stellar now positions itself as a settlement layer for that system. The network supports fast stablecoin transfers, which helps paid API requests complete within seconds. The Built on Stellar x402 Facilitator manages transaction submission, settlement, and network fees while the client still controls payment approval.
Stellar Targets Low-Cost Payments for AI Services
OpenZeppelin supports the Stellar x402 setup through its Relayer framework and facilitator plugin. It also provides smart account contracts that let developers set spending limits, signer rules, and multisignature controls. These tools help teams dictate how agents spend funds without interrupting the flow of automated payments.
API owners can deploy x402 on their server and include a Stellar address to receive payments, charging for access without having to build a separate billing system. This system supports tiny payments, including micropayments for data, compute time, and digital content.
Stellar’s payment design supports that use case. The network settles transactions in under five seconds and keeps fees extremely low. It also supports native stablecoin infrastructure through assets such as USDC, PYUSD, and USDY.
The next phase will target more agent-focused tools. Developers are working on MCP integration, embedded smart wallets, and policy controls for automated spending.
This week, Stellar Development Foundation CEO Denelle Dixon said privacy remains a core requirement for institutional blockchain adoption. As CNF reported, Dixon said that banks need networks that protect sensitive operational data while still preserving the benefits of blockchain transparency.
At the time of reporting, XLM traded at $0.1573 after a 2.58% drop over the past 24 hours, while 24-hour trading volume rose 37.75%.
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