vastlint
A VAST XML validator. Checks ad tags against the IAB Tech Lab VAST specification so you don't have to read it. Over $30 billion in annual CTV and video ad spend flows through VAST XML, and malformed tags are one of the most common causes of lost impressions, broken tracking, and revenue discrepancies between platforms. There is no widely adopted open-source tool that validates VAST XML against…
1 subscribers
8.9/10 popularity
72 ms avg latency
100% success rate
1 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
vastlint endpoints
| Method | Endpoint | Description |
|---|---|---|
| POST |
Validate VAST XML /validate |
Validate a VAST XML ad tag against IAB VAST 2.0–4.3 rules. Returns a list of issues (errors, warnings, infos) with line/column positions, rule IDs, and spec references. |
vastlint pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | $29 / month | 30 / second |
|
| ULTRA | $99 / month | 100 / second |
|
