ModelPriceLab — AI Stack & Pricing Change Tracker

Data API

Programmatic access to model prices, API changes, and webhooks.

Quick start

Fetch live model prices with a single request.

curl -H "Authorization: Bearer mpl_your_api_key" \
  "https://api.modelpricelab.com/v1/prices"

Endpoint reference

Endpoint	Method	Auth	Description	Limit
/v1/prices	GET	API key	Returns current model prices across vendors and platforms.	Plan quota
/v1/changes	GET	API key	Returns recent price and API changes with severity and impact.	Plan quota
/v1/webhooks	GET	API key	List configured webhook endpoints.	Plan quota
/v1/webhooks	POST	API key	Subscribe a URL to price and change events.	Webhook quota
/v1/webhooks/{id}	DELETE	API key	Remove a webhook subscription.	Webhook quota

Webhook signature verification

Verify webhook payloads using HMAC SHA-256.

import { createHmac } from 'node:crypto';

const signature = req.headers['x-mpl-signature'];
const payload = JSON.stringify(req.body);
const expected = createHmac('sha256', WEBHOOK_SECRET)
  .update(payload)
  .digest('hex');

if (signature !== expected) {
  res.status(401).send('Invalid signature');
  return;
}

Rate limits & quotas

Each API key has a daily request quota based on its plan. Requests exceeding the quota return HTTP 429.

API Free

Requests: 100/day

Data delay: 24h

Developer

Requests: 10,000/day

Data delay: Real-time

Scale

Requests: 100,000/day

Data delay: Real-time

Create your API key in Dashboard

Get API key