SCRIPTMASTERLABS · AGENT COMMERCE · SEP 25, 2026

Polygon Agent Pay Channels: 11 Million Payments Per Second

Polygon Labs tested x402-based payment channels that let AI agents pay for inference, data, and API calls as they consume them — 11M+ verified updates per second across 25 hubs.

The critical qualifier: that's offchain channel updates — not Polygon onchain TPS. The full x402 path measured ~40,000 payments/sec. Every rewrite that prints "11 million" without the qualifier is wrong, and most of them did.

HONESTY BOX — READ THIS FIRST

What 11M means: 11M+ payment-channel state updates per second confirmed by the payment engine, each in 20 microseconds (excluding network latency). Updates accumulate offchain inside channels; Polygon Chain only sees batched settlement.

What it is NOT: Polygon mainnet throughput. Onchain TPS is a different metric entirely.

What was real in the test: a live devnet, an OpenRouter-style inference API, a signed payment triggered every 100-token window — 2.4M payments recorded at 100% success on the full path. The inference provider itself was a stand-in.

What is a projection, not a result: Polygon's estimate of 100M+ updates/sec with a larger hub fleet. Tested: 11M with 25 hubs.

The numbers

metricresultwhat it actually is
Channel updates (25 hubs × 16 vCPU)11M+/secOffchain payment-engine confirmations. Hubs partition payers with no cross-hub coordination.
Full x402 path (agent + site + facilitator + hub)~40,000/secEnd-to-end payments. 2.4M recorded, 100% success.
Single hub, engine-direct (one 24-core server)533k–536k/secFully verified payments through one hub.
Update confirmation20μsPayment-engine confirmation per update; excludes network latency.
Cost~$0.15 per billion updatesIn the benchmark configuration.
SettlementconfigurableBatched onchain after 1 payment, 50k updates, or 100M updates — operator's choice.
Projected scale100M+/secPolygon's estimate for a larger fleet — not a test result.

What it means for x402 builders

THE SML ANGLE — 11M updates/sec makes the gate the product

When an agent can pay 11 million times a second, the question stops being "can agents pay" and becomes "SHOULD this agent pay for THIS?" That's a decision problem, not a payments problem.

The pattern we're cornering: decision-gated machine payments — a confidence score gates whether the payment fires: ≥0.80 auto-pay, 0.50–0.79 confirm, <0.50 escalate. Model-agnostic. Infinite throughput makes the gate more necessary, not less — every one of those 11M updates is a decision somebody's agent made, and an ungated agent is a blank check.

The kind of service those gated agents pay for: pay-per-query x402 APIs like SML's SEO API for AI agents — per-call pricing, no subscription, no key-negotiation, signed payment per request. Rails this fast exist to be spent against services this granular.

Sources

crypto.news: Polygon payment channels hit 11 million updates per second across 25 hubs
Traders Union: Polygon boosts agent payments

Reported Sept 25, 2026. Numbers as published by Polygon Labs and the outlets above; the "not onchain TPS" qualifier is ours and is the point.

FAQ

Is 11 million updates per second Polygon's onchain TPS?

No. It's offchain channel updates — payment-channel state moves confirmed by the payment engine in 20μs each, batched and settled on Polygon Chain later. The full x402 path (agent + site + facilitator + hub) measured ~40,000 payments per second.

What did the full x402 path actually measure?

About 40,000 payments per second end-to-end across agent, site, facilitator, and hub. 2.4 million payments recorded at 100% success.

What was the test setup?

An OpenRouter-style inference API on a live devnet, with a signed payment triggered every 100-token window. The payment path was real; the inference provider was a stand-in.

What does it cost?

About $0.15 per billion payment updates in the benchmark configuration. Settlement is configurable: after 1 payment, 50,000 updates, or 100,000,000 updates.

How fast can a single hub go?

One 24-core server driving a single hub directly hit 533,000–536,000 fully verified payments per second.

What does this mean for x402 builders?

The payment-friction question is being answered by infrastructure. The open question flips from "can my agent pay" to "should my agent pay for this" — a decision-gating problem. That's the decision-gated machine payments pattern.

TRUTH FIRST. PROOF ALWAYS. 11M CHANNEL UPDATES ≠ ONCHAIN TPS.