API

Data on availability, price history and product survival through simple REST calls. The response is always JSON. The limit is 120 calls per hour per key.

Create an account to get a key.

Authentication

Send the key as a key parameter or in the Authorization: Bearer … header.

Endpoints

List of products

https://www.truetier.app/api.php?e=products&limit=50&offset=0&key=…

Optional filters: deal=lifetime, liveness=alive or dead.

Product detail

https://www.truetier.app/api.php?e=product&s=slug&key=…

Also returns the full price history and tags.

Availability status

https://www.truetier.app/api.php?e=status&s=slug&key=…

Uptime over 90 days, average response time, number of checks.

Market data

https://www.truetier.app/api.php?e=market&key=…

Aggregate numbers including survival by category.

Example response

{
  "slug": "example",
  "name": "Example",
  "price": 49.00,
  "lowest_30d": 39.00,
  "deadline_moved": 3,
  "liveness": "alive",
  "tracked_days": 247,
  "health_score": 99
}

Terms of use

You may use the data in your own tools and publicly, as long as you credit and link the source. Do not use the API to bulk-copy the catalog. When the limit is exceeded we return status 429. The key is tied to your account and you are responsible for its use.