---
title: "Ruling on the Base x402 USDC settlement market"
method: GET
path: "/api/premium/x402-settlement-verdict"
tags: ["Premium"]
---

# Ruling on the Base x402 USDC settlement market

`GET /api/premium/x402-settlement-verdict`

Is the Base x402 USDC settlement market growing, is it concentrated or a real market, and who leads? Rules over TensorFeed's own on-chain settlement index: momentum versus the prior window of equal length, concentration by the Herfindahl index, and the leading publisher, plus the full per-publisher volume ranking. Optional window=24h|7d|30d (default 7d). Coverage is the Base settlements TensorFeed indexes, forward-only from launch. 10-minute freshness SLA, no-charge when stale.

## Query parameters

- `window` '24h' | '7d' | '30d'

## Response `200`

Signed verdict with AFTA receipt.

- object

## Other responses

- `402` — Payment required; returns the x402 challenge.

---

[API](https://skmtc.dev/tensorfeed/apis/tensorfeed-api.md) · [All operations](https://skmtc.dev/tensorfeed/apis/tensorfeed-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/tensorfeed/tensorfeed-api/revisions/017e10130065/schema)