CSV & API-First Collections Platform for UK SMEs

Get paid faster without hiring a credit controller

Import your invoices via CSV or connect through our API. Duesmith brings structure, speed, and consistency to overdue invoice follow-up — no complex integrations required.

Trusted by UK businesses

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Everything you need to chase invoices professionally

CSV import for quick starts, REST API for automation. Duesmith gives you a single, structured workspace for collections — no middleware needed.

AI Collections Agent

An intelligent agent that learns your collections strategy, auto-drafts reminders on schedule, and escalates when needed.

Smart Action Queue

Prioritised tasks so you always know what to chase next. Never let an invoice slip through.

Complete Audit Trail

Every reminder, promise, and escalation logged. Full visibility for you and your team.

CSV & API-First

Upload invoices via CSV or push them through our REST API. No accounting software lock-in — bring your data however you want.

Statutory Interest Calculator

Informational B2B late payment interest calculations based on UK legislation.

Human-in-the-Loop

The agent drafts, you approve. Always in control. Nothing gets sent without your sign-off unless you enable auto-send.

Three steps to getting paid

From overdue invoice to payment — in a fraction of the time.

01

Import

Upload your invoices via CSV or push them through the API.

02

Agent Learns & Drafts

The AI agent learns your strategy and auto-drafts reminders on schedule.

03

Get Paid

Approve and send. The agent tracks outcomes and gets smarter over time.

Ready to get paid faster?

Join UK businesses using Duesmith's CSV and API-first platform to bring structure and speed to their collections workflow.

No credit card requiredFree tier availableCSV or API — your choice