Open API
PREMIUM DATA INTELLIGENCE API

Turn raw opportunities into actionable intelligence.

CASSIA processes real opportunity data through relevance, eligibility and quality intelligence to provide clean, machine-readable premium data for customers and AI agents.

$0.01 per premium request
Try Premium API For Developers & AI Agents

Real Data

CASSIA works with real opportunity data collected from external data sources.

Intelligence

Relevance, eligibility and quality processing helps separate useful opportunities from low-value data.

API First

Receive machine-readable JSON designed for software, automation and AI-agent consumption.

CASSIA Tools

Practical tools built to solve real data problems quickly, with transparent and predictable processing.

Excel & CSV Data Cleaning

Check your Excel or CSV file for duplicates, blank cells, formatting issues and other data-quality problems.

Free check: analyze your file in your browser, then use CASSIA to clean, standardize and validate it.

Check & Fix My Data

What you receive

Premium API

Premium opportunity intelligence is available through the CASSIA API.

GET https://api.cassia-data.com/api/premium-opportunity

Premium requests use the x402 payment protocol. A request without payment returns HTTP 402 Payment Required.

Built for AI Agents

AI agents can discover the endpoint, receive the payment requirement, authorize the required payment and retrieve the premium machine-readable data.

01 — Request Agent requests premium data.
02 — Payment x402 payment requirement is returned.
03 — Verify Payment is processed and verified.
04 — Data Premium opportunity intelligence is delivered.

Simple pricing

$0.01 per premium request.

No complicated subscription is required for the API request itself. Customers pay for the premium data they consume.