Didit Transaction Monitoring & Travel Rule API

Overview

Screens every transaction in real time against a configurable rule engine (velocity, thresholds, behavioral patterns, blocklists), automatically screens crypto wallets and hashes against blockchain analytics, and runs the full FATF / EU TFR Travel Rule exchange with counterparty VASPs.

Key facts:

• POST /v3/transactions/ is synchronous: rules, screening, and Travel Rule routing all run inside the call - the response already carries the verdict.
• Transaction statuses: APPROVED, IN_REVIEW, DECLINED, AWAITING_USER (user must act - read action_required).
• Pricing: $0.02 per transaction; Travel Rule transfers bill a dedicated $0.02 line instead (outbound only); crypto screening bills separately (from $0.15 managed, $0.02 BYOK), charged once even when Travel Rule attribution needs the same lookup.
• txn_id is idempotent per application - resubmitting returns the existing transaction.
• Sandbox applications skip rules, webhooks, and billing.

API Reference: https://docs.didit.me/management-api/transactions/create Feature guides: https://docs.didit.me/transaction-monitoring/overview · https://docs.didit.me/transaction-monitoring/travel-rule · https://docs.didit.me/transaction-monitoring/wallet-screening

Authentication