Coinbase x402 agent payment standard tops $100M

August 15, 2026

Coinbase highlighted x402, its open agent-to-agent payment standard, noting over $100M in transaction volume since launch last year, with 90% of onchain agentic stablecoin transaction volume running on Base. The CDP x402 SDK lets developers add agent payments to any API or MCP in three lines of code, and Coinbase is partnering with companies like AWS.

Sources

The internet finally has a payment layer for machines. x402 - open standard, agent-to-agent, no human required. And with the the CDP x402 SDK you can add agent payments to any API or MCP in just 3 lines of code. No need to become an x402 expert first. https://t.co/tarcYplCaT https://t.co/sfoW8iQj2t Quoting @coinbase: Since we launched x402 last year, we've seen: → Over $100M in transactions → 90% of onchain agentic stablecoin transaction volume running on @base And now we're partnering with companies like AWS to let AI agents instantly pay for what they use. Some examples of what that https://t.co/izDCWMBns4 Replying to their earlier post: Selling to humans is so 2025. @CoinbaseBiz lets you accept USDC payments from AI agents with native x402 support, and no separate payment flow to build. - No chargeback risk - 3.35% rewards on idle…x.com ↗

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Coinbase x402 agent payment standard tops $100M — Outposts