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Software Engineering & Product Problems

Payments Not Reconciling? Make Every Number Match

App records, provider settlements and bank deposits that don't agree? We find every gap and automate daily reconciliation.

Payments don't reconcile when an app's records differ from payment provider and bank data because of missed webhooks, duplicate processing, unrecorded fees and refunds, settlement timing or the lack of a ledger, leaving finance unable to explain where money went.

What it means when payments don't reconcile


Your app says one thing, your payment provider says another, and your bank account says a third. Finance spends days matching spreadsheets and still can't explain every difference.


Mismatches have causes: events your app never received, payments processed twice, fees and refunds recorded elsewhere, or balances calculated from scattered tables. Fix the causes and automate a daily check, and the numbers stay matched.



Symptoms: you're in the right place if


  • Monthly close takes days of spreadsheet work

  • Customers paid but orders show unpaid

  • Seller payouts are slightly off

  • Refunds appear twice or not at all

  • Revenue reports don't match deposits


Small, regular differences usually point to a systematic cause such as fees, not random errors.


Business function


Business functions affected: Finance, Engineering, and Operations.


Typical owner: CFO or finance lead, with the engineering team.


Common stage: Marketplaces, SaaS, fintech and e-commerce at growing volume.



Is this the right help for you?


A good fit if:


  • Finance can't explain differences

  • You have payouts or multiple payment methods

  • Mismatches are growing with volume

  • An audit or fundraise is coming


Not the right fit if:


  • Accounting policy questions: work with your accountant

  • A fraud attack: see fraudulent transactions getting through



First steps you can take today


  1. Export one week of provider transactions and your records

  2. Compare counts and totals

  3. Check webhook delivery logs for failures

  4. List where fees and refunds are recorded



Business impact: what it costs to leave it unfixed


  • Lost money: unexplained differences can hide real losses.

  • Wasted time: finance spends days on manual matching.

  • Audit risk: auditors and investors need clean numbers.

  • Customer issues: wrong payouts and order statuses.



Root causes: why payments don't match


Missed webhooks

Payment updates never processed.


No idempotency

Retries create duplicates.


Fees and refunds

Recorded outside the app or not at all.


Settlement timing

Payouts batch several days of payments.


No ledger

Balances computed from inconsistent tables.



Common reconciliation scenarios


Scenario

Usual cause

First fix

Payouts off by small amounts

Unrecorded fees

Record fees per transaction

Paid orders marked unpaid

Missed webhooks

Verified, retried webhooks

Duplicate refunds

Retries without idempotency

Idempotency keys

Bank deposits don't match daily sales

Settlement batching

Match by settlement reports



Reconciliation checklist


Every “no” is a likely gap.


Records


  • Does every payment have a provider ID?

  • Are fees and refunds recorded?


Events


  • Are webhooks verified and retried?

  • Are duplicates prevented?


Ledger


  • Is there a double-entry ledger?

  • Can you explain any balance?


Process


  • Is reconciliation automated daily?

  • Do mismatches trigger alerts?



Potential solution family


Solution type: Stabilize. We fix the causes and automate the check.


Solution family: Payments engineering: ledgers, idempotent webhooks, fee recording and daily reconciliation.



How we fix it: numbers that match


1. Compare

App, provider and bank data side by side.


2. Explain

Every missing, duplicate and mismatched item.


3. Fix events

Verified, idempotent webhooks.


4. Record everything

Fees, refunds, disputes and payouts.


5. Ledger

Double-entry records where needed.


6. Automate

Daily reconciliation with alerts.



Typical timeline


Phase

Typical duration

Gap analysis

1–2 days

Cause fixes

2–7 days

Automation

2–5 days


Most teams see daily reconciliation working within two weeks.



Mistakes to avoid


  • Matching totals instead of transactions

  • Fixing data without fixing causes

  • Ignoring fees

  • Reconciling only at month end



Required skills




Relevant technologies


  • Providers: Stripe, Razorpay, PayPal, Adyen and Cashfree

  • Databases: PostgreSQL ledgers

  • Accounting: Xero, QuickBooks and Tally

  • Jobs: scheduled reconciliation and alerts



Diagnosis offer: start with a fixed-price reconciliation fix


Find out exactly why your numbers don't match.


What you get:


  • Gap report for one provider

  • Root cause explanation

  • Fix plan

  • Option to automate daily checks




Proof


Example engagement: marketplace payouts

An illustrative example based on the pattern we see most often. Client details are kept confidential.


The situation: A marketplace's finance team spent two days a week reconciling seller payouts.


What we found:


  • Provider fees not recorded per order

  • Refunds issued from the dashboard, not the app

  • Some webhooks failed silently


What we changed:


  • Recorded fees and refunds per transaction

  • Made webhooks verified and idempotent

  • Added a daily reconciliation job with alerts


The result: Mismatches dropped to near zero, and finance closed the month in hours.


Why buyers trust Codersarts

  • Delivering fintech, security and cloud engineering for clients worldwide since 2018

  • A managed in-house engineering team, not a freelancer marketplace

  • Engineers who design money movement for correctness, not just the happy path

  • We review code and configuration without needing card numbers or customer funds access

  • Confidential by default: we sign NDAs before accessing your code or accounts



Frequently asked questions


Why don't our payments match the bank?

Usually fees, refunds, settlement timing, missed webhooks or duplicates.

If you hold balances or pay out to others, yes; it makes every number explainable.

Yes, daily, with alerts on mismatches.

Stripe, Razorpay, PayPal, Adyen, Cashfree and others with reports or APIs.



Related problems


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