Free
Small daily checks for trying DOI lookup and basic reference verification.
USD 0.00/month
- 5 single checks/day
- 1 batches/day
- 50 references/month
- 10 references/batch
- Exports: TXT
Pricing
Flexible plans with admin-controlled limits
Manual payments, optional Stripe, optional crypto, and free beta mode are supported.
Starter
For small projects, saved history, CSV and JSON exports.
USD 9.00/month
- 25 single checks/day
- 5 batches/day
- 250 references/month
- 50 references/batch
- Exports: TXT, CSV, JSON
Pro
For thesis, journal, and editor workflows with advanced exports.
USD 29.00/month
- 100 single checks/day
- 20 batches/day
- 2000 references/month
- 300 references/batch
- Exports: PDF, DOCX, TXT, CSV, JSON, BibTeX, RIS
Team
Shared workspace and high monthly volume for teams.
USD 99.00/month
- 500 single checks/day
- 100 batches/day
- 10000 references/month
- 1000 references/batch
- Exports: PDF, DOCX, TXT, CSV, JSON, BibTeX, RIS
Institution
Custom quota, retention, deployment, and support.
USD 0.00/month
- 0 single checks/day
- 0 batches/day
- 0 references/month
- 0 references/batch
- Exports: PDF, DOCX, TXT, CSV, JSON, BibTeX, RIS