---
title: "Stratalize — Project Controls for construction schedules"
method: POST
path: "/api/x402/13f-holdings-delta"
---

# Stratalize — Project Controls for construction schedules

`POST /api/x402/13f-holdings-delta`

## Request

- Base URL: `https://www.stratalize.com`
- URL: `https://www.stratalize.com/api/x402/13f-holdings-delta`
- Auth: none declared

Stratalize — Project Controls for construction schedules. Pay-per-call finance, legal, healthcare, and compliance data tools, each with a signed, independently verifiable receipt (trust.stratalize.com/verify). Use when comparing institutional 13F-HR filing quarters for QoQ holdings change context. Returns current and prior quarter filing pairs with delta summary scaffolding. Source: SEC EDGAR 13F submissions

## Request body

- object

## Response `200`

Paid tool result after on-chain USDC settlement on Base mainnet.

- object

## Other responses

- `402`: Payment required — x402 challenge with PAYMENT-REQUIRED header.

---

[API](https://skmtc.dev/stratalize/apis/stratalize-governed-intelligence-api.md) · [All operations](https://skmtc.dev/stratalize/apis/stratalize-governed-intelligence-api/llms.txt) · [OpenAPI document](https://skmtc.dev/stratalize/apis/stratalize-governed-intelligence-api/revisions/4b19b2558a9d?raw)