Invoice Processing Automation Services

Invoice processing automation that handles the exceptions.

Capture invoices, apply finance rules, route exceptions, and post approved records without hiding uncertain values or broken integrations.

Bring representative invoices, exception rules, and the target ERP. Leave with the next sensible move: buy, configure, commission, narrow, or wait.

Recent work

NDA client logo

Multi-location fuel retailer

Staff scanned supplier invoices and reviewed suggested product, price, quantity, and vendor data inside an operating platform connecting more than 40 locations.

40+
locations connected during beta
16 weeks
whole platform delivery, including six-week discovery

The brief

Start with what is not working.

Good software decisions begin with the constraint, not a list of features or a preferred technology.

01

Clean invoices pass, but changed layouts, missing purchase orders, partial deliveries, and line-item mismatches keep returning to people.

02

Your AP team still rekeys values, searches email for evidence, or repairs records after an integration says the posting succeeded.

03

The current product captures invoices, but supplier checks, approvals, coding, and exceptions still live across inboxes and spreadsheets.

Plain answer

Invoice processing automation captures supplier invoices, extracts header and line-item data, validates finance rules, matches purchase and receipt records, routes exceptions for review, and posts approved records to an ERP or accounting system. A RaftLabs evidence phase for the first controlled workflow starts at $9,500.

What to remember

  • Invoice automation is an accounts-payable control problem, not only an OCR problem.
  • Measure false acceptance, exception effort, matching, and reconciled posting separately from extraction quality.
  • Start with one invoice channel, a representative supplier cohort, one review path, and one destination system.

Fit

Custom invoice automation should remove an expensive exception, not recreate a standard AP product.

The case is strongest when the same failures recur, finance can define the control, and existing products have been tested against the difficult invoices rather than dismissed on assumption.

A fit
01

Rekeying, correction, matching, approval chasing, or posting repair consumes measurable finance time every month.

02

Supplier formats, supporting records, entity rules, or legacy systems do not fit a maintained AP product without costly workarounds.

03

Finance can provide representative invoices, known exceptions, supporting records, and an owner who can approve the rules and acceptance criteria.

Not a fit
01

Invoice volume is modest and a maintained AP product covers the workflow with reasonable configuration.

02

The real problem is unclear purchasing policy, weak supplier records, or an approval structure nobody owns.

03

The immediate need is payment execution or treasury management rather than invoice capture, approval, and posting.

A useful first recommendation can be to buy a product, repair supplier data, add one connector, narrow the invoice cohort, or keep the current review process. Custom development has to earn its ownership cost.

The invoice was read correctly. AP still could not post it.

A supplier invoice arrives against two purchase orders. One line belongs to a partial delivery. Freight appears as a separate charge. The supplier uses its own product codes, and the invoice total is valid only after a tax adjustment. Every character can be extracted correctly while the accounting decision remains unresolved.

This is where many invoice projects stall. The demonstration proves that a model can read the document. The live process still needs to identify the supplier, find the right records, apply tolerances, handle missing receipts, request approval, map the result to the right entity and account, and recover when the ERP rejects the posting.

The useful outcome is not an invoice with coloured boxes around its fields. Finance needs an accepted accounting record, or an exception a person can understand and resolve without searching through three systems and an email thread.

Should you buy an AP platform or commission custom software?

Start with the maintained product that fits most of the workflow. Custom software becomes sensible when the cost of operating around the product is higher than the cost and responsibility of owning the missing path.

Choose by the source of the constraint

ScenarioRecommendationReason
Common invoice formats, standard approvals, and a supported ERP connectorBuy or configure an AP platformA maintained product is usually faster, cheaper, and easier to support when its operating model fits the finance process.
The AP product works, but one source, rule, or destination is missingAdd the smallest integrationKeep the product and make only the connector, transformation, or review control that closes the measured gap.
High-value exceptions depend on proprietary records, unusual rules, or several systemsCommission a custom invoice workflowOwn the controlled path from intake to decision when the standard route creates recurring repair and delay.
Supplier data, purchase records, tolerances, or approval ownership remain unclearRepair the operating process firstSoftware cannot make an undefined finance policy safe. Clarify the record and decision before automating it.

Use OCR development when recognition is the main missing capability. Use intelligent document processing when the document could be a claim, form, receipt, certificate, or another record. This page is for the finance controls that make a supplier invoice ready, or not ready, to enter the ledger.

What must work from inbox to ledger?

The extraction provider is one replaceable part. The durable product is the chain of evidence, controls, decisions, and recovery around it.

  • 01
    Capture and invoice identity
    Accept an agreed email inbox, upload, scan, API, EDI feed, or supplier channel. Preserve the original file and source metadata, split attachments correctly, identify the legal entity and supplier, and assign a stable invoice identity before the same document can enter twice through different routes.
  • 02
    Header, line-item, and source evidence
    Extract the fields finance actually uses: invoice number and date, supplier, tax identifiers, purchase orders, currency, totals, payment terms, quantities, unit prices, tax, freight, and line descriptions. Keep the page and source region beside each proposed value so a reviewer can judge it without hunting through the file.
  • 03
    Supplier, duplicate, and policy checks
    Match the supplier to an approved record, check invoice-number reuse and near-duplicates, confirm required fields, and apply entity, currency, tax, bank-detail, and approval policy. A high model confidence score cannot prove that a supplier, account, or payment detail is authorised.
  • 04
    Purchase-order and receipt matching
    Compare invoices with purchase orders, goods receipts, service confirmations, contracts, or other accepted evidence. Define tolerances for quantity, price, tax, freight, partial delivery, several orders, unit conversion, and timing. A mismatch needs a reason and owner, not a generic red flag.
  • 05
    Exception review, coding, and approval
    Group exceptions by cause and consequence. Show the invoice, proposed values, failed check, supporting records, previous decisions, and available next step together. Reviewers can confirm, correct, reject, request evidence, code the invoice, or escalate it under the permissions finance approves.
  • 06
    Posting, failure recovery, and reconciliation
    Map an approved record to the ERP or accounting system through its supported interface. Record what was sent, what the destination accepted, which identifier came back, and whether the posted result reconciles. Retries must not create duplicates, and a partial failure must remain visible until someone resolves it.
Illustration of a fuel invoice beside extracted vendor, product, quantity, price, and total fields for staff review
Illustration from the fuel-retail case study. Staff reviewed or edited extracted values before saving them to the operating platform.

Recorded proof

The invoice scan sat inside the operating system, not beside it.

A US fuel retailer managed supplier invoices, inventory, vendors, and sales across more than 40 locations. Staff had been entering invoice data line by line while each location kept its own operating records.

In the delivered platform, staff scanned an invoice and received suggested product names, prices, quantities, and vendor details. They reviewed, adjusted, and confirmed those suggestions before the accepted data joined the wider inventory and vendor workflow. The complete platform, including six weeks of discovery, was delivered in 16 weeks.

That work proves invoice capture, human review, and operational integration. It does not establish purchase-order matching, GL coding, automated approval, payment execution, or a 16-week promise for another finance system. The case study's 20,000-plus test transactions measured the wider retail platform; no invoice-volume claim is attached to them. Read the full fuel retail case study.

What should finance measure before an invoice can pass automatically?

The acceptance boundary should reflect the cost of a wrong accounting decision, not the desire to publish one large accuracy percentage.

  • 01
    Field quality by supplier and invoice condition

    Report consequential fields separately across ordinary suppliers, changed layouts, scans, photos, tables, credit notes, and known failures. Supplier, invoice number, amount, tax, currency, purchase order, quantity, and account do not carry the same risk.

  • 02
    False automatic acceptance

    Count invoices and fields that passed without review but were later found wrong. A visible rejection is work. A plausible wrong value that enters the ledger is quieter and may cost more.

  • 03
    Match and exception outcomes

    Record clean matches, tolerated differences, missing records, true mismatches, false flags, reviewer decisions, and time to resolution. An exception queue is useful only when it removes searching and makes ownership clearer.

  • 04
    Human effort left in the workflow

    Measure invoices sent to review, fields corrected, average handling time, repeated causes, and approvals waiting past their target. Straight-through processing can rise while total finance effort stays flat if repair moves downstream.

  • 05
    Reconciled destination records

    Track accepted postings, rejected postings, retries, duplicates, partial writes, and reconciliation with the accounting record. Extraction success is not the finish line. Finance needs evidence that the right invoice became the right record once.

How it works

Close one finance risk before opening the next.

Each phase produces a decision finance can inspect. More suppliers, entities, channels, and rules enter only after the current boundary works.

  1. 01
    Frame

    Define the invoice and control boundary

    Which invoice decisions create delay, repair, or financial risk today?

    Trace ordinary invoices and known failures from arrival to reconciliation. Separate rules finance owns from values the source document provides, then choose the smallest cohort that represents both the common path and the expensive edge cases.

    Decision produced

    An invoice-cohort map, exception inventory, source and destination records, finance rules, reviewer roles, costly errors, and pass, review, reject, or stop conditions.

    Risk closed

    Automating extraction before anyone agrees what makes an invoice valid, matched, approved, and ready to post.
  2. 02
    Compare

    Test products and providers on real invoices

    Can a maintained AP product or extraction service already solve enough of the problem?

    Run the actual invoices, purchase and receipt evidence, and destination constraints through the realistic options. Include the awkward layouts, non-PO cases, partial deliveries, credit notes, and other failures that caused the project to be considered.

    Decision produced

    A comparison of viable AP products, extraction providers, configuration, connectors, custom work, expected exception effort, ownership, and cost, with a buy, configure, integrate, commission, narrow, or stop recommendation.

    Risk closed

    Funding custom software before testing a simpler route, or approving a product on clean invoices while the costly supplier cohort remains untested.
  3. 03
    Control

    Make one controlled invoice path

    What is the smallest release that removes useful work without weakening a finance control?

    Keep the original document and supporting evidence available. Put deterministic finance checks around probabilistic extraction, make every stop reason visible, and keep the current process available while the new path proves itself.

    Decision produced

    One intake route, representative supplier cohort, extraction contract, validation boundary, exception experience, permission model, and destination connection with versioned acceptance tests.

    Risk closed

    Connecting every supplier and entity before the team can explain a wrong value, a failed match, or a rejected posting.
  4. 04
    Operate

    Run in parallel and expand by evidence

    Does the live workflow remove more handling and repair than it creates?

    Compare the controlled cohort with the current process before cutover. Add confirmed failures to the evaluation set, rerun it when a provider or rule changes, and expand only after finance accepts the first cohort's operating result.

    Decision produced

    A monitored release with field quality, false acceptance, review effort, match outcomes, exception age, posting failures, reconciliation, provider cost, and rollback evidence.

    Risk closed

    Celebrating a rising automation rate while corrections, old approvals, supplier changes, and destination failures disappear into another queue.

What should remain under finance control?

These conditions belong in the scope, acceptance criteria, and handover. They should not depend on a general promise that the system is accurate or secure.

  • 01
    Policy and tolerance ownership

    Finance approves supplier rules, purchase-order and receipt tolerances, non-PO paths, tax treatment, account mapping, approval thresholds, and which conditions may pass without a person.

  • 02
    Roles and segregation of duties

    The system records who may submit, review, correct, approve, post, reopen, or override an invoice. Sensitive changes and exceptional approvals need an attributable history.

  • 03
    Supplier and account reference data

    Named owners maintain supplier identity, bank and tax details, chart-of-accounts mapping, business entities, and other reference records. Automation should expose weak master data rather than quietly compensate for it forever.

  • 04
    Audit, recovery, and reconciliation

    Finance can reconstruct the source, extracted values, checks, related records, corrections, approval, posted result, and recovery record for an invoice. A manual fallback remains available when a provider, rule, or destination fails.

  • 05
    Software, data, and provider accounts

    Project-specific code, invoice data, labelled samples, evaluation sets, finance rules, and operating notes stay under client control. External OCR, AI, AP, and hosting services are named with their licence and data terms.

Every invoice project starts at $9,500.

The first paid phase closes one expensive uncertainty before a larger production commitment is made.

If a maintained AP product covers the real workflow with less cost and ownership, the recommendation should be to use it. Custom development begins only where the tested options leave a valuable gap.

What the first phase can be

  1. 01

    Invoice and exception map

    Trace the current path, supplier cohorts, supporting records, finance rules, reviewer roles, failure causes, and measurable cost of the exception queue.

  2. 02

    Product and provider benchmark

    Test suitable AP products, extraction services, and integration routes on ordinary invoices and known failures, then state the smallest sensible option.

  3. 03

    Extraction and review proof

    Evaluate the important fields, validation rules, source evidence, thresholds, and reviewer experience on one representative invoice cohort.

  4. 04

    ERP integration proof

    Prove identity, mapping, permissions, retries, error visibility, and reconciliation with one controlled destination before wider posting work begins.

The first phase may be one of these or a deliberately smaller combination. Production scope is priced after the evidence exposes the real boundary.

Starting investment

Starts at $9,500

Start with one invoice channel, a representative supplier cohort, one finance decision, and the evidence needed to choose the next step.

Price held for the phase

The agreed phase price does not move unless you approve a material change in scope. New suppliers, rules, entities, or integrations wait for a separate decision.

Automation boundary written down

The scope states what may pass automatically, what must stop for review, what remains manual, and which acceptance evidence is required before release.

Client-controlled assets

Project-specific code, invoice data, evaluation sets, finance rules, client accounts, and operating notes remain under client control, subject to stated third-party licence terms.

Invoice processing automation questions buyers ask

Invoice processing automation captures supplier invoices, extracts agreed header and line-item data, checks the values against finance rules and reference records, routes uncertain cases to a person, and posts approved records to an ERP or accounting system. A complete workflow also records approvals, corrections, posting failures, and reconciliation so finance can explain what happened to each invoice.

OCR reads characters from an image or scan. Invoice processing automation uses OCR or another extraction method inside an accounts-payable workflow that also validates suppliers, checks duplicates, matches purchase and receipt records, applies approval rules, codes the invoice, handles exceptions, and records the final posting. If readable text is the only missing output, OCR may be enough.

Invoice processing automation covers the path from receiving an invoice to an approved and reconciled accounting record. Accounts-payable automation can extend further into supplier onboarding, payment scheduling, payment execution, cash planning, reconciliation, and supplier communication. The project boundary should state whether payment controls are included or remain in the existing finance system.

Buy or configure a maintained AP platform when its invoice channels, matching model, approval rules, security boundary, and ERP connector fit the real process with reasonable exceptions. Consider custom development when proprietary records, unusual finance controls, legacy systems, multi-entity rules, or a costly exception queue make the standard workflow expensive to operate. The first phase should test the product route rather than assume custom software is necessary.

Yes, but a non-PO invoice still needs an agreed control path. That may include supplier validation, contract or cost-centre checks, named approval thresholds, coding, supporting evidence, and escalation. The system should not treat the absence of a purchase order as permission to bypass finance policy.

Yes, when reliable purchase-order and receipt records are available. Two-way matching compares the invoice with the purchase order. Three-way matching also checks goods or service receipt data. The scope must define tolerances, partial deliveries, several purchase orders on one invoice, freight or miscellaneous lines, unit conversions, and what happens when the records disagree.

The invoice should stop with a specific reason rather than enter a generic review inbox. The reviewer should see the source invoice, proposed values, purchase and receipt evidence, failed rule, allowed tolerance, previous actions, and the decision they can take. Ownership, escalation, and service-level expectations should be explicit for each important exception type.

Duplicate checks can combine supplier identity, invoice number, date, amount, currency, purchase order, bank details, and a document fingerprint. Exact matching alone is not enough because suppliers may alter punctuation, spacing, prefixes, or invoice layouts. Potential duplicates should remain reviewable, with the reason and related records visible.

Yes, if those rules are included in the evaluated invoice cohorts and acceptance criteria. Credit notes need a clear relationship to the original invoice or accounting treatment. Tax, currency, exchange-rate source, rounding, entity, and jurisdiction rules must come from finance policy and the destination system rather than being inferred by the extraction model.

Usually, when the destination exposes a supported API, import route, event interface, or controlled database boundary. The integration must define supplier and account mapping, required fields, record identity, duplicate behaviour, permissions, retries, partial acceptance, error visibility, and reconciliation. A successful API response does not by itself prove that the correct accounting record exists.

Report quality by important field, supplier cohort, and invoice condition rather than one overall percentage. Finance should also measure false automatic acceptance, invoices sent to review, reviewer correction time, match results, duplicate flags, posting failures, and reconciled records. A system can read text well and still create expensive accounting repair.

The scope identifies where source files, extracted values, model requests, bank or tax details, reviewer actions, and logs are stored; who can access them; how long they are retained; and which providers process them. Encryption, role-based access, segregation of duties, regional hosting, redaction, deletion, and client-controlled provider accounts can be included where the workflow requires them. Compliance is only claimed after the relevant controls are verified.

Project-specific code, invoice data, labelled samples, evaluation sets, finance rules, client accounts, and operating notes remain under client control, subject to third-party licence terms stated in the scope. Any external OCR, AI, AP, or hosting provider should be named with its commercial and data-processing terms before the phase starts.

The first phase needs representative invoices, known failure cases, supplier and chart-of-accounts context, available purchase and receipt records, approval policy, target-system access, and people who can decide what a correct result means. A clean demonstration set is not enough. Include the invoices that arrive late, contain several purchase orders, use unusual units, or repeatedly need repair.

Every RaftLabs project starts at $9,500. For invoice processing, the first phase may cover an invoice and exception inventory, product or provider benchmark, field and control map, review design, destination contract, or one thin proof of the highest-risk workflow. A production release is priced separately once the evidence exposes the real boundary.

A bounded evidence or integration phase can take a few weeks. A production workflow takes longer and depends on invoice variation, line-item complexity, matching records, entities, tax and currency rules, approval roles, security, migration, and the destination system. The schedule is set after representative invoices and acceptance criteria replace assumptions with a measurable scope.

Start with one controlled supplier cohort, invoice channel, business entity, and destination. Monitor new layouts, correction patterns, exception age, match outcomes, provider changes, posting failures, and reconciliation. Expand only after the first cohort meets the agreed finance and operating targets, with a manual path and rollback available when a provider or rule changes.

Work with us

Bring the invoices your current process sends back to people.

In a 30-minute call, we will identify the invoice cohort, the expensive exception, and whether the sensible next move is to buy, configure, integrate, commission, narrow, or wait.

  • The first review uses ordinary invoices, known failures, and the supporting records finance actually has.
  • Every automatic path gets a visible stop, review, correction, and recovery condition.
  • Supplier, approval, tax, security, retention, and destination-system boundaries are written into the scope.
  • Project-specific code, data, evaluation sets, client accounts, and operating notes remain under client control.