Key Terms and Glossary

Celar uses a few specific terms throughout the platform. This glossary helps clarify what each one means.

Term	Definition
PSP	Payment Service Provider — A platform or partner that integrates with Celar to manage and route stablecoin payments on behalf of merchants.
Merchant	A business onboarded by a PSP. Merchants receive stablecoin payments through Celar’s infrastructure.
Payment	A stablecoin transaction initiated by a customer and tracked end-to-end via Celar.
intermediary_wallet	A smart wallet address generated per payment to receive customer funds before settlement.
Settlement	The process of transferring received funds to their intended destination.
KYT	Know Your Transaction — A compliance check run on each transaction to detect risk or illicit activity.
risk_level	The outcome of a KYT check. One of: low, medium, or high.
flags	Specific reasons why a payment is flagged (e.g., "Known Mixer", "OFAC Match", "Exceeds Threshold").
metadata	Optional structured data attached to a payment (e.g., order_id, customer_ref) for tracking or reconciliation.

These terms are consistent across all API docs.