4Mica logo4Mica

By customer

FacilitatorsAdd credit-backed payments to your facilitatorAPI providersCharge per request without accountsAgent frameworksAdd payments to your agent framework

By use case

Agentic commercePayments for AI agentsAI companiesCharge per API callCryptocurrencyOn-chain settlementMarketplacesBatch buyer payouts
PlatformsBuilt-in usage billingEnterprisesCredit rails at scaleStartupsStart with a small integration
How it worksDeposit, spend, net, and settle in codeDocumentationGuides, SDKs, and API referenceAPI statusLive uptime
API changelogReleases and updatesLibraries and SDKsTypeScript and PythonBlogEngineering notes and product updates
Pricing
Talk to our teamTry for free

By customer

FacilitatorsAdd credit-backed payments to your facilitatorAPI providersCharge per request without accountsAgent frameworksAdd payments to your agent framework

By use case

Agentic commercePayments for AI agentsAI companiesCharge per API callCryptocurrencyOn-chain settlementMarketplacesBatch buyer payoutsPlatformsBuilt-in usage billingEnterprisesCredit rails at scaleStartupsStart with a small integration
How it worksDeposit, spend, net, and settle in codeDocumentationGuides, SDKs, and API referenceAPI statusLive uptimeAPI changelogReleases and updatesLibraries and SDKsTypeScript and PythonBlogEngineering notes and product updates
Pricing
Talk to our teamTry for free

The 4Mica blog: x402, agentic payments, and settlement

September 11, 2026·6 min read

Answering the three x402 problems

Double-spend, metered billing and the refund round-trip, answered with a collateral-backed x402 scheme.

Mairon Mahzoun
Mairon Mahzoun
CTO & Co-Founder
Impasto painting of three planets in a swirling starry sky
Impasto painting of a rising field of orange reeds under a swirling violet sky
InsightsSeptember 01, 2026

The actual demand for machine commerce

Cloudflare Radar shows AI agents refused twice as often as training crawlers — and priced ten times as often. The demand is measured; the mechanism is still missing.

Impasto painting of a field of round flowers in red, yellow, and pink on teal
InsightsJune 18, 2026

My thoughts on the last three months in agentic commerce

The payment rails for agents are built. The clearing layer is the race now — and the question is whether it asks who an agent is, or whether it is good for the money.

Impasto painting of rows of crashing ocean waves
InsightsMarch 19, 2026

AI agents will break every payment rail we have (Part 1/2)

Card networks, ACH and per-request on-chain settlement all fail at agent scale. The fix is decades old — separate authorization from settlement and clear.

Impasto painting of a sunrise over layered rolling hills
Best practicesFebruary 24, 2026

Why agents need credit, not prefunding

Prefunding every counterparty does not survive contact with an agent that talks to hundreds of services. Credit is the primitive that does.

Impasto painting of colourful ribbons flowing into a single bright point
EngineeringFebruary 15, 2026

How 4Mica works

A walkthrough of the x402 credit and clearing layer — how an agent gets credit, how requests clear off-chain, and how a cycle settles net on-chain.

Solutions
FacilitatorsAPI providersAgent frameworksAgentic commerceAI companiesCryptocurrencyMarketplacesPlatformsEnterprisesStartups
Product
SolutionPricingSystem status
Developers
DocumentationAPI statusAPI changelogLibraries and SDKs
Company
AboutJobsTeamPartnersRoadmapContact sales
Support
Get supportManaged support plans
Resources
BlogLicencesProhibited and restricted businessesSitemapPrivacyTermsDPA
4Mica © 2026