Topic

Guides

68 posts

ISO 20022 structured addresses: the November 2026 deadline for payout files

From November 2026 SWIFT rejects unstructured beneficiary addresses. What ISO 20022 and Verification of Payee change, and why the fix is your onboarding form.

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The marketplace payout ledger: balances, reserves and reversals

An order is not a payout. How to model seller obligations, available and reserved balances, rolling reserves and chargeback clawbacks so month-end reconciles.

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Merchant of record vs payment facilitator: which model should your platform run?

Merchant of record, payment facilitator or marketplace? Compare liability, tax, KYB and payout duties — and pick the model your platform can actually run.

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Carrier settlements: paying carriers without the paperwork drag

How carrier settlements work in freight and logistics: matching loads to pay, handling deductions and advances, quick-pay vs standard terms, and automating the reconciliation that eats dispatch time.

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Creator payouts with Stripe Express: how it works and where it strains

How creator payouts work on Stripe Express: Connect Express accounts, onboarding, tax forms and instant payouts — plus where platforms outgrow it on cross-border, multi-party and reconciliation.

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How to automate invoicing with AI (and what it actually changes)

What AI invoicing automation really does: raising, sending, chasing and reconciling invoices — where AI adds judgment over rules, what stays human, and how to adopt it without losing control.

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How to scale BACS payments: bureaus, SUNs and the volume trap

Scaling BACS for accountants, investment firms and platforms: how bureaus and Service User Numbers work, the operational traps at volume, and how to run large BACS runs without month-end chaos.

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Two account cards side by side — one labelled operating, one labelled reserve — joined by a mint sweep arrow, with an ink verification seal on a mint circle.

The best business bank account: how to actually choose one

How to choose the best business bank account: the real decision criteria — fees, freeze risk, where your money sits, integrations — and why the smart setup is two accounts, not one.

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Blueprint schematic of four numbered alias tags whose routing lines converge into one larger real-account block, annotated no balance — routes only.

What is a virtual IBAN — and why platforms use them

Virtual IBANs explained: what a vIBAN is, how it differs from a real IBAN, and why marketplaces and platforms use them to identify payers and auto-reconcile incoming payments.

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A blueprint schematic in mint line-work on deep violet: a seller company record labelled SELLER · ENTITY branching down an ownership bus to three beneficial-owner nodes marked 40%, 35% and 25%, with violet dimension lines naming the entity and the ownership span, and a verification seal annotated SCREENED beside a stack of register rows.

Marketplace seller onboarding: verify sellers without dropping them

How to onboard business sellers globally — KYC vs KYB vs AML, why sellers drop mid-signup, and how to choose an onboarding and KYB approach without losing them.

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A light editorial illustration on off-white: a white checkout window listing three payment attempts for £1,240 — the first two cards greyed out with a flat dash marking the decline, the third card and its row in mint with a tick — beside a large ink approval seal ringed in mint, set against an oversized mint circle.

Why did my payment fail at checkout? What 'payment failed' means

Payment declined at checkout? What 'payment failed' actually means, why the bank rejected it, the common decline reasons, and how to fix it — for buyers and the businesses losing the sale.

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A blueprint schematic in mint line-work on deep violet: a card marked AUTHORIZATION with a dashed box around the reserved amount, an arrow crossing a ruled seven-day scale labelled HOLD OPEN, and a second card marked SETTLEMENT holding a coin, with violet dimension lines naming the two steps.

Delayed capture, explained: authorize now, capture later

How delayed capture works: the gap between authorizing a card and capturing the money, how long an authorization hold lasts, and when to use it over escrow.

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Three coins on a dark spotlit stage: a grey coin bearing a card inside a dashed hold ring, a grey coin bearing a clock, and a larger mint coin stamped with a padlock standing between them, each named on an angled violet slab.

How to hold funds in a marketplace: escrow vs auth-hold vs delayed capture

Escrow, authorization holds and delayed capture — how marketplaces hold buyer funds until delivery, the Stripe 90-day limit, and the truth about earning on the balance.

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A large white disc labelled GMV sits on a pale dotted canvas with one mint wedge lifted clear of it and annotated TAKE RATE; a small mint Fynex coin sits beside the gap, and an ink seal bearing a percentage sign is stamped onto an oversized mint circle anchoring the right of the frame.

Marketplace take rate, explained: what it is and how to set it

What marketplace take rate actually is, how to calculate it, and how to set the right number — plus the part nobody plans for: collecting it automatically at settlement.

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A blueprint-style schematic drawn in mint line-work on deep violet: three incoming payment tickets on the left route into a circular agent node, which routes on to three open invoices on the right — two connections solid and annotated MATCHED · POSTED, the third dashed and annotated PROPOSED.

What an AI reconciliation agent actually does

Reconciliation automation, explained: rules match the clean payments, AI handles the ambiguous — no reference, split, short, many-to-one — and a human approves.

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A single payment card fanning out through a dark matching node into three payout legs — seller, commission and partner — each stamped with the same sale number, with a fourth violet row flagged as an exception.

Automating marketplace payout reconciliation: match every leg to the sale

Reconciling split settlements by hand eats Fridays. Why marketplace payout reconciliation is slow at scale, and what automated matching actually does about it.

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A weekly payout run card feeding a dark Fynex routing block, which fans out to three seller cards paid on different rails and currencies — Faster Payments in GBP, a local scheme in BRL and push-to-card in USD.

How to pay out marketplace sellers: schedules and rails

Paying sellers is the hard half of a marketplace. A practical guide to payout schedules, choosing the right rail per country, and paying international sellers without one default wire.

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Blueprint schematic of a three-item checkout becoming one £300 charge that fans out to four line-drawn payout nodes in euros and pounds, with a dashed loop returning each leg to the sale.

Multi-party payments: paying several sellers from one checkout

How multi-party payment processing works: one checkout, one payment, several sellers paid — the fan-out problem, the modelling, and where marketplace tooling breaks.

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Blueprint schematic of one incoming payment entering a split-rule block whose 85/10/5 lines fan out to three payees.

Split payments in a marketplace: one payment, many recipients

How marketplace split payments actually work: dividing a single customer payment across sellers, platform commission and partners — the rules, the rails, and where it breaks.

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A grey coin sending a single payout to one recipient beside the mint Fynex coin fanning payouts out to three.

How to split payments with Stripe Connect — and where it falls short

How to split payments with Stripe Connect using charges, transfers and application fees — the three integration models, and the honest read on where Connect runs out.

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Blueprint of an agent ID card with a verification seal.

Know Your Agent: compliance when the thing initiating the payment is software

As agents start moving money, KYC becomes Know Your Agent. Why the audit trail — not autonomy — is the real product of agentic compliance.

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Blueprint of the money-chain loop around the Fynex mark.

Agentic finance is bigger than expense management — it's the whole money chain

Most agentic finance stops at spend. The IMF and new research point somewhere bigger: agents running invoicing, payouts, reconciliation and cash — end to end.

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Blueprint schematic of two agents in a bounded handshake.

Can two agents pay each other? Identity, trust and bounded autonomy

A new paper maps what agent-to-agent finance needs: identity, authorization, payment, verification, reputation, accountability. Here's the grounded read.

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Blueprint comparing SEPA and SWIFT rails.

SEPA vs SWIFT: Costs, Speed, and When to Use Each

SEPA vs SWIFT compared for businesses that send real payouts: coverage, speed, why SWIFT fees are unpredictable, and how to pick the right rail per payment.

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Blueprint of a probabilistic curve resolving to a straight settlement line.

Probabilistic agents, deterministic money: why the approval line is a feature

The IMF warns agentic AI can herd, correlate and cascade through payment systems. Here's why Fynex keeps a human on the settlement boundary — on purpose.

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Aurora-glass money-chain ring around the Fynex mark.

What is the money chain? The finance loop your business runs on

The money chain, defined: the full loop of money in, money held, money out and reconciliation that every business runs — and why it works as one chain, not four tools.

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A locked business account with seven freeze-trigger chips.

Why would a bank freeze a business account? The seven triggers

Banks freeze business accounts over AML flags, profile drift, cash patterns, document requests you missed, and court orders. The triggers, the process, the fixes.

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Blueprint of the intent/authorization/settlement pipeline.

Intent, authorization, settlement: the three layers of agentic payments

The IMF's new framework splits agentic payments into intent, control, and settlement. Here's where AI agents belong at each layer — and where a human must sit.

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A passport beside a global Fynex account card.

Business banking for non-resident founders that won't freeze you

Non-resident founder with a US or UK company? Why banks reject you, why fintechs freeze you, and how to build a setup where one review can't stop the business.

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An escalation ladder of three chase letters.

Late-payment letters that actually work: the escalation ladder

The four-letter escalation ladder for professional firms: what each letter says, when it sends, UK statutory interest wording, and the letter before action.

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An inbound invoice crossing a border line to a Fynex account.

Getting paid from abroad without losing on FX

Collecting international client payments: local receiving details, billing in the client's currency, and converting on your terms — not per payment on theirs.

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An on-time payment handshake under a mint paid seal.

Paying on time as a procurement weapon

While competitors stretch payables to dress the P&L, the on-time payer gets priority stock, real prices and Friday favours. The case for paying well, without pain.

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Blueprint of three UK payment rails.

UK edition: Faster Payments vs BACS vs CHAPS for platform payouts

The three UK payment rails compared for marketplace payouts: Faster Payments for speed, BACS for cheap batch runs, CHAPS for high-value — and when to use which.

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A tidy invoice beating a grey machine of gears.

Tight billing beats fancy software: cash flow is a timing problem

Most cash flow issues are billing timing errors: costs scheduled before the revenue that funds them. Fix the billing calendar first — the software second.

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A support card with a violet headset — talk to a human.

Fintech with real support: why 'talk to a human' is a feature

When a platform holds your money, support quality is risk management. Why 'talk to a human' beats chatbots at the worst moment, and how to test it before you sign.

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A mint payout hub fanning envelopes to partner cards.

Paying your partner network across borders, without the corridor grind

Cross-border partner payouts for professional firms: referral fees and partner shares paid on schedule over local rails, reconciled and documented — not corridor by corridor.

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An invoice and PO matched by a mint check.

Why your invoices never match your POs (and sane tolerance rules)

Service POs, penny mismatches and part-billing: why 3-way matching breaks on services, and the tolerance rules that stop blocking honest invoices.

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A desktop tower giving way to a mint cloud.

QuickBooks Desktop is going away — what to actually do

QuickBooks Desktop stop-sell, May-31 sunsets and 2026 price rises explained: what still works, what breaks, and the real options for trades and service firms.

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Two identical POs flagged by a mint duplicate detector.

The duplicate PO problem: catching five-figure mistakes automatically

Duplicate POs, double-paid invoices, an extra zero on an order — why manual purchasing leaks five figures, and the anomaly checks that catch it in seconds.

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Blueprint of a one-way irrevocable payment arrow.

Instant means irrevocable: fraud controls for real-time payouts

RTP, FedNow and push-to-card payouts can't be recalled. The fraud controls a marketplace needs before turning on instant: verify first, limit velocity, stage trust.

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A three-week cash forecast with rising balances.

How much cash will I have in three weeks? A working forecast

A cash flow forecast for project businesses: build it from confirmed invoices and scheduled payments, not hopes — and know your breach date before it arrives.

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A recurring retainer invoice with an automated reminder bell.

Raise and chase the monthly retainers — without the awkward emails

Retainer billing on autopilot: invoices that raise themselves on the 1st, collections that escalate politely, and reconciliation nobody does by hand.

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A job card breaking labor, materials and mint margin.

Know your margin before the job ends: job costing that sticks

Job costing without enterprise software: tag every cost to its job at capture, include the payouts and fees QuickBooks misses, and read margin while you can act.

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One account holding three currency balances.

Holding client revenue in three currencies without losing on FX

Multi-currency accounts for software companies: hold USD, EUR and GBP as they arrive, pay costs from matching balances, and convert deliberately — not per payment.

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A vendor invoice with hidden fee tags surfaced.

Hidden fees on vendor invoices: how to audit without spreadsheets

Calibration fees, data charges, unit-price drift — how to audit vendor invoices for hidden fees without keeping a custom spreadsheet per vendor.

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Blueprint of a card receiving a pushed payment.

What is push-to-card — and what to call it in a contract

What push to card means, and what to call it in a contract: how Visa Direct and Mastercard Send deliver push-to-card payments to a debit card in minutes, what they cost, and the contract language to use.

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A pie of an invoice with the mint margin kept whole.

Invoice factoring is eating your profit — what to do instead

Factoring fees compound into a permanent tax on margin. The alternatives: fix the payment schedule, automate collections, and finance gaps selectively.

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A processor-frozen account card thawing mid-project.

Processor froze your funds mid-project: why large invoices trip it

Stripe or PayPal froze your funds mid-project? Why large invoices trip risk engines, what happens during the review, and how to build so it can't reach payroll.

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An invoice with a mint automated reminder bell.

How to stop chasing payments: the deposits and late-fee playbook

Always chasing payments? The trades playbook that ends it: deposits, stage payments tied to the job, payment on the spot, and late fees with teeth.

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Payments matched to invoices with a mint check.

Anyone else spend Fridays matching payments to invoices?

Reconciling client payments to Xero by hand — short refs, part-payments, bulk remittances. Why matching eats Fridays and how to make it stop for good.

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Blueprint of a primary rail with a dashed fallback rail.

What's your provider's fallback rail? Ask before buying instant

Instant payouts fail routinely — bank not on RTP, limits, cut-offs. The fallback rail decides what your workers actually experience. Here's what to ask.

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A bench of contractor cards each with a mint paid check.

How do you pay your contractor bench across borders?

Paying international contractors as a dev shop: what monthly payouts really cost across FX and fees, and how to run the whole bench on one schedule.

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A card terminal beside a mint Fynex card.

Is it worth taking card payments for professional services?

Card payments for accountants, consultancies and law firms: when the 1.5–3% fee buys you weeks of cash flow, and when bank transfer or direct debit wins.

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A pile of receipts sorted into one tidy mint tray.

Receipt hell: an expense system for people who'd rather work

Drowning in receipts? A working small-business expense system is one habit and three rules: capture at the moment of purchase, auto-categorise, review monthly.

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A $45k invoice with hidden cost tags attached.

What a $45k invoice really costs to process

A 1% bank-payment fee turns a $45,000 invoice into a $450 charge. Why percentage pricing punishes invoice businesses, and what to demand instead.

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A blocked customer payment card being cleared by a mint seal.

Bank blocked your customer's payment? The builder's fix

Banks decline £10k stage payments to trades as 'suspected fraud' — even in branch, with ID. Why it happens and how to stop it.

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A calendar with a highlighted payment day and a mint pull-forward.

Net 30 but paid in 90: what to do when clients pay late

Clients paying net-30 invoices in 90 days? The playbook: terms that prevent it, a chasing cadence that works, and UK/US late-payment rights you already have.

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An invoice split-routed to multiple payees.

Stripe Connect payouts for home services: what works, what hurts

Stripe Connect handles home services payouts well — until pro onboarding, payout timing and large-job holds start costing you. What to know before you build.

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An invoice split into staged milestone payments.

How to bill deposits and stage payments (when Stripe can't)

Deposit, milestones, final balance: how project businesses should bill, why checkout tools fight the pattern, and a schedule that protects cash.

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A freelancer's account card under a lock, with a safe mint path.

Payment platforms for freelancers who can't afford a freeze

Freelancer income looks like fraud to risk models: irregular, growing, cross-border. How to pick payment platforms — and structure — so a hold never hits rent.

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Blueprint of nested balances inside one real account.

How nested accounts work: one real account, many balances

Nested accounts explained: one safeguarded master account with sub-accounts on top — how the ledger works, who uses them, and the questions to ask.

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Blueprint balance scale weighing agentic-finance pros and cons.

Brex agentic finance: the honest pros and cons

Brex's AI agents auto-approve expenses, audit compliance and code your GL. What's real, what's marketing, and what agentic finance means for your business.

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Blueprint of four instant-payout rails.

Instant payouts: same-day ACH vs RTP vs FedNow vs push-to-card

"Instant payout" is a label on four very different US rails. The rail decides cost, cut-offs, weekends — and whether money can come back.

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A six-point checklist with one leak found.

Where is your business losing money? A six-point checklist

Businesses rarely lose money in one place — they leak it in six quiet ones. A checklist for losses your P&L will never show.

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A frozen account card with seven numbered freeze-trigger chips.

7 reasons fintechs freeze business accounts — and how to avoid each

Frozen accounts almost never come out of nowhere. Here are the seven triggers that lock a fintech account, why each fires, and how to stay off the wire.

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A frozen account card being thawed.

What to do if a fintech freezes your business funds

Frozen by your payment platform? A calm, step-by-step playbook to free your money fast — and how to set up so a hold can never take down payroll again.

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Two account cards side by side — never all in one.

The two-account rule: never keep all your money in one fintech

The best protection against frozen funds is structural: split money across a fast fintech and a chartered bank. Here is how the two-account rule works.

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Blueprint of a safeguarded vault holding funds.

Where your money sits: a guide to fintech safeguarding

Is your fintech a bank? Is your money insured if it fails? A jargon-free explainer on safeguarding, partner banks, and who really holds your business cash.

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