SuperAPI AI Directory

Clarity

Base x402 research API + paid USDC chat

Open website

About this tool

Clarity is an x402 protocol research API service running on the Base network, primarily offering two types of paid capabilities: short research reports and chat.

In terms of use, the service targets external payers who need to invoke AI research or chat capabilities through an HTTP 402 payment flow. The information shows that it only accepts external payers, and no description of a free usage method for ordinary users is provided.

The main capabilities include: responding to real HTTP 402 payment challenges; publishing a /.well-known/x402 description file for service discovery; registering a payment address; declaring a settlement network; and declaring prices. This source publicly discloses a total of 3 resources.

Regarding usage, the information only states that free discovery is available via /.well-known/x402, and that paid invocation must be completed through an HTTP 402 payment challenge. The specific invocation interfaces, request parameters, return formats, and integration steps are not yet provided.

Regarding pricing, the information clearly marks a short research report at 2 USDC, chat at 0.001 USDC, and the settlement network as Base.

Applicable scenarios and limitations: suitable for developers or external payers who need to invoke research or chat APIs with per-use payment in USDC. Because the information does not provide more technical details, availability guarantees, rate limits, or support channels, these contents are not yet provided.