---
title: "Observation history for any listed x402 endpoint"
method: POST
path: "/v1/x402-history"
---

# Observation history for any listed x402 endpoint

`POST /v1/x402-history`

## Request

- Base URL: `https://x402-trust.com`
- URL: `https://x402-trust.com/v1/x402-history`
- Auth: none declared

Raw time-series from our monitoring database: listing and delisting events, price and payTo changes, and probe results for the requested window. This is the data nobody can backfill: we were watching, you weren't.

## Request body

- object
  - `resource` string, required: Full x402 resource URL (https://...) as listed in discovery.
  - `days` number: Lookback window in days (1-90, default 30).

## Response `200`

Successful response

- object

## Other responses

- `402`: Payment Required

---

[API](https://skmtc.dev/x402-trust/apis/x402-trust-trust-reliability-data-for-the-x402-ecosystem.md) · [All operations](https://skmtc.dev/x402-trust/apis/x402-trust-trust-reliability-data-for-the-x402-ecosystem/llms.txt) · [OpenAPI document](https://skmtc.dev/x402-trust/apis/x402-trust-trust-reliability-data-for-the-x402-ecosystem/revisions/2a53d895d466?raw)