Coinbase's x402 protocol is popping the forgotten HTTP “Cost Required” code right into a real-world micropayment engine. And now Coingecko has rolled out a full-fledged class to accommodate the rising swarm of tokens constructed round it.
What’s x402?
x402 is an open supply HTTP native fee protocol developed by Coinbase that brings again the long-defunct HTTP 402 standing code. In layman's phrases, it permits web sites, APIs, and even synthetic intelligence (AI) brokers to request funds instantly by net requests.
As a substitute of an API key or month-to-month subscription, customers ship on the spot micropayments (typically USDC) instantly by their browser. Transactions full in about 2 seconds and there aren’t any protocol charges or intermediaries concerned.
Backed by the x402 Basis, which Coinbase and Cloudflare co-founded in October 2025, the system is already related to networks comparable to Google, Visa, AWS, Circle, and Anthropic. It’s chain agnostic and operates throughout Base, Solana, Polygon, and SEI, taking part in a key function within the rise of machine-to-machine (M2M) funds generally known as the “company financial system.”
Coingecko’s new x402 token class
On October 25, 2025, Coingecko formally added a brand new token class titled x402, permitting customers to trace all associated cash in a single place. In response to Coingecko statistics, the market capitalization of the ten listed tokens on this class is at the moment $178.3 million, with a 24-hour buying and selling quantity of $107.6 million.

Though x402 itself doesn’t difficulty tokens, a small variety of crypto initiatives have constructed their very own initiatives across the protocol, every designed to facilitate funds, agent coordination, analytics, or AI integration.
What do x402 tokens truly do?
These cash function utility or governance tokens related to initiatives constructed on the x402 framework. Most of it’s used for paying, monitoring, and orchestrating AI brokers.

For instance, PING, created by Ping Observer, was the primary token minted instantly by way of x402, powering funds for AI agent monitoring. Heurist AI's HEU permits customers to pay per information question in USDC whereas offering staking rewards. SANTA in Virtuals facilitates a community of AI “elves” that carry out cross-chain duties and airdrops.
Meridian Finance's MRDN brings x402 micropayments to decentralized finance (DeFi), and AURA powers Telegram and Discord bots for on-chain funds. Gloria is>
broader developments
The x402 token blends AI and blockchain utilities with actual fee infrastructure. The idea is straightforward. AI brokers autonomously talk with one another and conduct transactions utilizing USDC. Some initiatives are experimental, others are working, however all of them trip on the identical rising development: web-native, frictionless funds with out intermediaries.
Binance and OKX wallets are at the moment cataloging x402 tokens for discovery, whereas Coinbase is reportedly taking over some transaction charges to encourage adoption.
market snapshot
With a market capitalization of $178 million and a 24-hour buying and selling quantity of practically $108 million, the x402 token is shortly turning into the brand new sizzling subject amongst crypto, DeFi, and AI fanatics. Though a lot is speculative, the underlying fee protocols already energy real-world use circumstances.
outlook
Whether or not x402 turns into a common funds layer for autonomous brokers or simply the newest crypto experiment, there isn’t any doubt that it’s giving the online a brand new monetary spine, one HTTP request at a time.
Regularly requested questions 🤖
- What’s x402?x402 is an open supply fee protocol by Coinbase that turns previous HTTP 402 code into an actual micropayment system for net and AI purposes.
- What’s x402 token?These are utility and governance tokens from initiatives that use the x402 protocol for funds, monitoring, and coordinating AI brokers.
- How massive is the x402 market?Coingecko stories a complete market capitalization of 10 listed tokens of $178.3 million and day by day buying and selling quantity of $107.6 million. There are most likely extra.
- Who helps x402?The x402 Basis was co-founded by Coinbase and Cloudflare and integrates Google, Visa, Circle, and AWS.

