Sellers.json Validator
Validate your sellers.json file and identify JSON syntax problems, missing fields, duplicate seller IDs, invalid seller types and other common issues.
Validate Sellers.json
Paste your sellers.json content below or upload a sellers.json file.
What is sellers.json?
sellers.json is an industry standard used in digital advertising to provide information about sellers and intermediaries involved in the programmatic advertising supply chain.
The file helps buyers understand who is authorized to sell advertising inventory and provides transparency into the entities involved in the supply chain.
What does this validator check?
- JSON syntax and structure
- Presence of the sellers array
- Seller ID availability
- Seller ID duplicates
- Seller type validity
- Missing seller names
- Missing seller domains
- Invalid seller records
Valid Seller Types
The commonly used seller types are:
- PUBLISHER — An entity that directly owns or monetizes advertising inventory.
- INTERMEDIARY — An entity that facilitates the sale of advertising inventory.
- BOTH — An entity that can act as both a publisher and an intermediary.
Important
This validator checks the structure and common formatting requirements of the supplied file. A successful validation does not necessarily confirm that every seller or company listed in the file is legitimately authorized to sell inventory.