Chex

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Chex is a payment layer for APIs and AI agents, enabling machines to transact autonomously in USDC. It provides identity, payment, and execution combined into a single request, with settlements verified in milliseconds.

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At a glance

Pricing

Likely Not Free

Free tier

API

Yes

Skill level

Technical

Product Hunt

About

What is Chex?

Chex provides a robust payment layer specifically designed for APIs and AI agents, facilitating autonomous transactions in USDC. The platform integrates identity, payment, and execution into a single request, ensuring rapid, on-chain settlements verified in milliseconds. Users onboard once, and Chex provisions a Solana wallet with USDC and SOL support. Senders mint short-lived x-tokens for one-time payments, which travel alongside API calls. Receiver servers verify these tokens and confirm funds in under 50ms, with Chex handling the debit and credit in USDC. This system supports micro-priced calls as low as $0.0001, making autonomous commerce economically viable for a wide range of applications.

Best used for

Ideal for developers and businesses who need to enable autonomous payments for AI agents, process micro-transactions for data APIs, and settle on-chain payments rapidly. Especially valuable for integrating secure, verifiable, and low-cost payment mechanisms into machine-to-machine interactions.

Common actions

enable autonomous payments

process micro-transactions

settle on-chain payments

verify API payments

analyticsfintechFinance

Capabilities

Key features

Autonomous USDC transactions
Sub-second settlement
One-shot payment tokens
Verified sender identity
Micro-priced calls
Solana wallet provisioning

Target Audience

developersai/ml engineersfintech innovatorsproduct managers

Integrations

Not yet documented

Pricing & Plans

Likely Not Free

Not publicly disclosed. Check chexhq.com for current pricing.

FAQs

How does Chex ensure fast payment settlement?

Chex leverages the Solana blockchain for its payment settlements, enabling verification, debiting, and crediting in milliseconds. This sub-second settlement capability eliminates the need for traditional card rails, float, or dispute windows, ensuring rapid and efficient transactions for APIs and AI agents.

What is an x-token and how does it work?

An x-token is a short-lived, one-time payment credential issued by Chex. Senders mint these tokens with a specified price, and they travel alongside API calls. Receiver servers verify the x-token with Chex, confirming funds in under 50ms, making transactions secure and impossible to replay.

Can Chex handle very small transactions?

Yes, Chex is designed to support micro-priced calls, allowing transactions as low as $0.0001 per request. This capability makes it economically viable for autonomous commerce and machine-to-machine interactions where traditional payment processors might be cost-prohibitive.

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