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Rivac AI Labs
Specialized & Cross-Industry Services

Accounts Payable Agent

Accounts-payable work is high-volume, rule-based, and exactly the kind of process where a manual error (a duplicate payment, a missed early-pay discount, a fraudulent invoice) is expensive and preventable. This service automates payment processing and vendor management across fiat, crypto, and stablecoin rails, matching invoices to POs, routing approvals, executing payments, and logging every action in a full audit trail. It's for finance teams handling multi-rail payments who need the speed of automation without losing the control and traceability a CFO or auditor will demand. You get faster payment cycles, fewer errors, and a system where every payment can be traced back to its approval.

This is a capability we deliver for you as a service, not a role we’re hiring for.

How We’d Approach This

A clear, staged plan, not a black box

These are the service-specific steps inside our six-step process.

  1. 1

    Diagnose current AP workflows and payment rails to map where manual handling creates delay or error risk.

  2. 2

    Pilot automated processing on one vendor category or payment rail, with human approval on every payment.

  3. 3

    Review pilot accuracy and speed against the manual baseline before expanding scope.

  4. 4

    Roll out full automated processing across all rails with the audit trail and approval controls built in.

What You Get

Deliverables from this engagement

  • An automated invoice-matching and payment-routing workflow
  • Multi-rail payment execution (fiat, crypto, stablecoin) with approval gates
  • A full, exportable audit trail for every payment
  • Vendor-management dashboard with payment status and history

Six Ways We Could Architect This

Different engagement, different build, pick the shape that fits

There’s more than one way to deliver on this service. Browse a few of the ways we’d structure the work, depending on your speed, budget, and integration needs.

Read all 6 architectures as text

Lean Fast-Start Architecture

Intake

  • Invoice Email and Upload Intake
  • Manual PO Matching Check
  • Vendor Record Lookup

Processing

  • Single Payment Rail Pilot
  • Manual Approval by Finance Lead
  • Payment Execution via Bank Portal

Tracking

  • Spreadsheet Payment Log
  • Vendor Status Update
  • Weekly Reconciliation Review
  • Exception Escalation

Lean Tooling

  • Shared Spreadsheet Tracker
  • Invoice Template Checklist

Cloud-Native / Managed Services Architecture

Ingestion Layer

  • Invoice OCR and Capture Service
  • ERP and PO Data Connector
  • Vendor Master Data Feed

Processing Layer

  • Managed Invoice Matching Engine
  • Payment Routing Service
  • AP Analyst Review Queue

Storage Layer

  • Payment Ledger Warehouse
  • Cloud Data Warehouse
  • Vendor Document Storage

Presentation Layer

  • Managed AP Dashboard
  • Vendor Portal
  • Automated Exception Alerting

Event-Driven & Automation-First Architecture

Triggers

  • New Invoice Received Event
  • PO Match Webhook Event
  • Early Pay Discount Window Trigger

Automation Pipeline

  • Payment Processing Queue
  • Workflow Orchestrator
  • Invoice Matching Worker

Human Checkpoint

  • Finance Approver Reviews Payment
  • Rejection and Correction Loop

Delivery

  • Automated Fiat Rail Payment Execution
  • Payment Status Tracking Event
  • Slack Alert to Finance Team
  • Payment Ledger Warehouse Update

Enterprise-Grade & Compliance-Ready Architecture

Governance

  • Treasury and Controller Governance Board
  • Payment Approval Threshold Gate
  • Role Based Access Control

Secure Processing

  • Encrypted Payment Processing Pipeline
  • Dual Approval with Audit Trail
  • Vendor Data Access with Logging

Redundant Infrastructure

  • Primary Payment Gateway
  • Failover Payment Gateway
  • Automated Ledger Backup

Audit and Reporting

  • Immutable Payment Audit Log
  • Fraud Detection Reporting Dashboard
  • CFO Sign Off

AI-Augmented, Human-in-the-Loop Architecture

Data and Signal Layer

  • Historical Invoice and Payment Data
  • Vendor Risk and Fraud Signals
  • PO and Contract Terms Data

AI Matching Layer

  • Invoice Matching and Anomaly Model
  • AI Recommended Payment Batch
  • Confidence and Fraud Risk Scoring

Human Approval Gate

  • Finance Approver Reviews Payment Batch
  • Edits and Exception Handling Captured

Publish and Learn

  • Approved Payments Executed
  • Payment Outcome and Discrepancy Capture
  • Feedback Loop into Model Tuning
  • Rejected Batch Returned to AI

Integration-Heavy / Ecosystem-Connected Architecture

Client Systems of Record

  • Client ERP
  • Client Treasury Management System
  • Client Bank and Wallet Accounts

Integration Layer

  • Two Way Sync Middleware
  • API Gateway
  • Identity and Access Sync

AP Operations

  • Invoice OCR and Capture Service
  • AP Agent Workflow
  • Payment Ledger Warehouse

Shared Reporting

  • Unified Finance Dashboard
  • Slack and Email Notifications
  • CFO Scorecard

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Ready to get started?

Tell us what you’re trying to get done and we’ll help you find the highest-leverage place to start, scoped small enough to prove itself before you commit to anything bigger.

Talk to us about Accounts Payable Agent

Most engagements like this start as a $500–$2,500 pilot, see full pricing.

Questions? Book a free call