By department · Accounts payable

Post invoices to the ERP without typing, with your operation’s tax rules.

From inbox invoice to scheduled payment: Abstra captures, validates, runs 3-way match and posts to your ERP. Customized intake, authority-level approval and an audit trail.

Book an AP demo See AP processes

The accounts payable pipeline

1
Receive
Invoice and bill via email, portal or upload
2
Read
AI/OCR turns PDF, XML or image into data
3
Validate
Tax ID, taxes, required fields and dedup
4
Reconcile
3-way match invoice ↔ PO ↔ bill
5
Post
Vendor bill in the ERP with idempotency
6
Pay
Authority level + scheduled payment file

Exceptions do not block: an ambiguous field becomes a human form and returns to the flow. Underneath it all: dedup, authority levels and an audit trail.

Workflow example · from portal to ERP, with TED, boleto and Tax branches · 100% customized per customer

Read portal datainvoice data

Validationspayment type

boletowire

Check wire detailsbank, branch and account

data okmissing data

Notify the supplierasks for the missing bank field

Watch repliesrechecks wire details and continues if ok

back to wire check

Find boleto in emailsearches the inbox

foundnot found

AI data extractionamount, due date and code

Email the supplierasks them to send the boleto

Email arriveddocument → back to extraction

back to extraction

Fiscal and tax validationinvoice, rules and Tax exception

Update SAPposts what passed validation

Watch SAP payment holdsdetects a hold after posting

Automatic correctionfix within authorized rules

Analyst reviewopens the item with link and context

Recheck SAP holdreturns to SAP after the fix

Dashboard example · real time, connected and 100% customized

Payments, approvals and exceptions in one view

Illustrative data for demonstration.

automatic

last 30 days

Invoices this month

4,8 mil

Validated automatically

96%

Tax mismatches

186

Waiting on Tax

Blocked in ERP

Amount on hold

R$ 1,82 mi

Month pipeline

From portal to hold

01
Received
4,8 mil
portal, email and contract
02
Automatic
96%
no human queue
03
Tax exception
186
rule or contract to review
04
Tax queue
41
needs human judgment
05
ERP hold
27
R$ 1.82M on hold

By nature

Automation by category

Services1.840
95,5% automatic · SAP
Logistics1.120
96,2% automatic · SAP
Marketing920
96,0% automatic · SAP
Technology640
96,5% automatic · SAP
Facilities300
97,0% automatic · SAP

Live queue

Items that need attention

NF-002
Services · CTR-51 Norte Tech
Tax
R$ 48.000
Contract IRRF 4.8% · invoice arrived with no withholding
Tax · 2h 14m
NF-006
Marketing · CTR-77 East Agency
AP
R$ 12.400
Agency IRRF vs. supplier master data
AP · 47 min
NF-011
Logistics · CTR-33 Campinas fleet
ERP
R$ 8.920
SAP hold · cost center out of balance
Approver · 5h 02m

What accounts payable automation is

Accounts payable automation is the pipeline that receives the invoice, extracts data, validates tax and contract rules, matches purchase order and bill, and posts to the ERP with approval and payment file. With Abstra, invoice intake is customized per customer: fields, natures and withholdings follow your operation.

Proof in AP

Numbers that matter to whoever posts invoices.

95% of invoice intake automated

In the Celcoin case, 95% of invoice intake was automated. The team stopped typing invoices and focused on exceptions and strategy.

5-6 hours → 5 minutes in AP

At BeFly, AP cash-flow provisioning dropped from 5–6 hours to about 5 minutes. AP and accounting analysts run their own automation.

If your accounts payable looks like this, we fix it.

“Someone spends hours posting invoice after invoice into the ERP.”

“Data arrives messy: email, portal, PDF, XML, spreadsheet. All of it has to be typed in.”

“Duplicate payments and duplicate POs slip through.”

“When volume grows, the only way out seems to be hiring more people.”

Invoice intake

Invoice intake is customized to how your operation actually works.

Every customer has different fields, natures, withholdings and routing. We build the pipeline the way your AP already works and post to the ERP with the right trail.

Your ERP fields and natures

What needs to land in Protheus, SAP, NetSuite or Omie (cost center, nature, vendor, due date) arrives already in your house format.

See process

Tax and withholding rules by contract

IRRF, ISS, contract withholding and vendor master become automatic validation. Mismatches go to Tax with cause and evidence.

See process

Exceptions become a human form

An ambiguous field or missing data does not stall the queue. It becomes a form for the analyst, returns to the flow and keeps an audit trail.

See process

100% shaped per customer

Workflow and dashboard are your operation: portal, email, wire, boleto and the ERP hold.

Where to automate first

How 3-way match and the rest of the pipeline work

Capture, matching, approvals, payment runs, vendors and reimbursements. Start with the process that hurts most today.

Invoice capture and extraction

Email, portal and upload become structured data with OCR and document classification.

See process

Validation and matching

Tax ID, taxes, dedup and 3-way match invoice ↔ PO ↔ bill, with prioritized exceptions.

See process

Approval workflows

Authority levels by amount, vendor and cost center, with an audit trail.

See process

Payment scheduling and execution

Payment file, bank integration and confirmation after approval.

See process

Vendor management

Onboarding, compliance and a clean vendor record before payment goes out.

See process

Reimbursements and expenses

From employee expense report to reimbursement, under the same AP governance.

See process

Abstra vs PDF reader, RPA and native ERP module

What changes when the pipeline must write to the ERP and follow house tax rules.

Criterion	Abstra	PDF reader / generic AI	RPA only	Native ERP module
Customized intake	Fields, natures and withholdings per customer	Generic document extraction	Depends on the recorded script	ERP fields, little flexibility outside it
3-way match + Tax	Invoice ↔ PO ↔ bill with Tax queue	No matching or withholding	Possible, brittle to UI changes	Match inside the ERP, if configured
ERP write-back	Posting with idempotency and trail	Delivers text or a spreadsheet	Clicks through the ERP UI	Native, locked to the vendor
Banks / payment file	Payment file after approval	Out of scope	Script per bank	Depends on the finance module
Best for	AP with house rules and multi-system stack	One-off document reading	Portal with no API, low volume	Operations fully inside one ERP

Integrations

Connected to the ERP, banks and capture channels AP already uses.

ERP posting, payment files, email, portals and tax. Native connector or browser agent when there is no API.

200+ connectors and custom integrations

SAP

ERP

Itaú

Banks

Microsoft Dynamics

ERP

Santander

Banks

Oracle

ERP

Bradesco

Banks

TOTVS

ERP

SAP

ERP

Itaú

Banks

Microsoft Dynamics

ERP

Santander

Banks

Oracle

ERP

Bradesco

Banks

TOTVS

ERP

Banco do Brasil

Banks

Qive

Tax

Google Sheets

Spreadsheets

NetSuite

ERP

Microsoft Excel

Spreadsheets

Omie

ERP

Gmail

Banco do Brasil

Banks

Qive

Tax

Google Sheets

Spreadsheets

NetSuite

ERP

Microsoft Excel

Spreadsheets

Omie

ERP

Gmail

BTG

Banks

PostgreSQL

Data

BigQuery

Data

Snowflake

Data

Slack

Alerts

BTG

Banks

PostgreSQL

Data

BigQuery

Data

Snowflake

Data

Slack

Alerts

See all integrations

Beyond named cases

Real accounts payable patterns

Large industrial company

Classifies invoice types and tax slips, posts to the ERP with an approval dashboard and also fetches utility bills on its own.

Back office / bills

A pipeline for invoices and bills by email and portals, dedups against the ERP, asks for missing fields in a form and flags exceptions in chat.

PO-driven purchasing

Finds POs in the ERP by approval stage and validates attached documents against the order before releasing payment.

Mid-size distributor

Monitors bill inboxes, extracts barcode, payee, amount and due date, and detects duplicates with a daily report.

Accounts payable needs to write to the ERP idempotently, validate by rule, approve by authority level and leave an audit trail. A PDF reader stops at extraction.

Why not generic AI?

Frequently asked questions

Can you shape invoice intake for our ERP?+

Yes. Fields, natures, withholdings and routing follow your operation’s rules (Protheus, SAP, NetSuite, Omie and others). The pipeline is built per customer; tax mismatches go to the Tax queue with cause and evidence.

Do you replace my accounts payable ERP?+

No. Abstra does not replace NetSuite, SAP, Totvs or Omie. It acts as the pipeline that captures, validates, matches and posts into the ERP you already use.

How does 3-way match work in Abstra?+

The invoice is checked against the purchase order and bill (invoice ↔ PO ↔ bill). Mismatches in amount, vendor or withholding become a prioritized exception; matches proceed to approval and ERP posting.

Does Abstra generate payment files and talk to banks?+

Yes. After approval, the pipeline can generate a payment file and integrate with banks (Itaú and others), with payment confirmation in the flow.

Is it just an AI PDF reader?+

Reading the document is one step. Accounts payable needs rule validation, 3-way match, idempotent ERP posting, authority-level approval and a payment file.

What if the extraction is ambiguous?+

The exception becomes a form for a human to complete. Then the document returns to the flow, without blocking the whole queue.

Where should we start?+

With the highest-volume, clearest-rule routine: invoice email capture, validation/match or payment scheduling. Use the processes below to go straight to the detail.

Execution capacity

Automate without building a technical team.

Abstra specialists map, implement and evolve finance automations with your team. Execution capacity without building an internal technical structure.

Abstra builds for you
Your team builds
Hybrid build

See implementation with specialists Talk to an expert

Bring a real invoice. We’ll build the pipeline with you.

Inbox, matching bottleneck or payment run. An AP demo with your operation’s rules.

Book an AP demo Or explore the processes