How to Manage Vendor Onboarding with Gigapay

87.49% of brands expect their influencer marketing budget to grow in 2026, and 72.22% of them are planning increases of 50% or more, according to the Influencer Marketing Hub 2026 Benchmark Report. 

Gigapay is the Merchant of Record platform built for that growth, consolidating hundreds of creator counterparties into one vendor record, one invoice, and one compliant tax flow across 65+ countries. 

Vendor onboarding is where most of that growth quietly stalls, because accounts payable was designed for supplier relationships measured in years, not for creator programs that add new counterparties every week. 

This guide walks through how vendor onboarding works inside Gigapay, what your team and your creators have to do, and what gets handled automatically once the platform is in place.

Key Takeaways

• Gigapay is added to your ERP as a single Merchant of Record vendor.
• Creators onboard themselves without needing a registered business or VAT number.
• Identity verification, tax ID validation, and contract setup happen inside Gigapay.
• Tax reporting for DAC7, KSK, and KU14 is handled automatically per market.
• Full API integration takes two to five days, with sandbox testing before go-live.

Why Creator Vendor Onboarding Breaks Down at Scale

Accounts payable systems were designed around the assumption that a vendor is a long-term supplier relationship, the kind where you onboard ten new partners a year and each one is worth six figures over its lifetime. Influencer programs do not behave that way. 

A brand that runs 600 creator collaborations a year is generating 600 new counterparty conversations, most of them with individuals rather than companies, many of them outside the brand's home jurisdiction, and most of them paid once or twice before the relationship is over.

That mismatch creates the same five problems in every finance team we work with. 

• The first is volume: the procurement intake process that handles a SaaS vendor in two weeks cannot scale to a creator a day. 
• The second is entity type: nano and micro creators rarely have a registered company or VAT number, which means the standard supplier onboarding form has nowhere for them to fit. 
• The third is geography: a campaign in eight markets means eight sets of tax rules, eight reporting regimes, and eight potential audit exposures. 
• The fourth is invoice volume: a campaign with 300 creators produces 300 invoices, each one a round trip between marketing, finance, and the creator if anything is missing. 
• The fifth is reporting: DAC7 in the EU, KSK in Germany, KU14 in Sweden, and 1099s in the US all trigger automatically the moment your creator count crosses a threshold.

Boozt described this directly in their reference case with us. Their compliance process was blocking the influencer team from working with nano and micro-creators in markets where regulations were stricter, especially creators without a registered company. The result was a creator mix skewed toward larger, more established creators who could tolerate the friction. The smaller creators, who often deliver better engagement, simply walked away.

What "Vendor Onboarding with Gigapay" Actually Means

Gigapay operates as a Merchant of Record. In practical terms, that means Gigapay buys the creator's deliverable from the creator and concurrently resells it to your brand, becoming the legal counterparty in both directions. 

Your finance team sees one supplier in the ERP: Gigapay Sweden AB. The creator sees one platform handling their payment and tax documentation.

This is structurally different from a payment service provider like PayPal, Wise, or Stripe Connect. Those tools move money. Gigapay assumes the legal and tax responsibility connected to purchasing each creator's deliverable, with one important nuance defined in the service agreement. In the MoR capacity itself, Gigapay is not responsible for withholding or paying social security contributions or other taxes, and the Sweden EoR service is the only place that responsibility extends. 

Each party still bears its own tax obligations in its own jurisdiction. What changes is who carries the contractual and reporting weight.

The effect on vendor onboarding is the part finance teams notice first. Instead of onboarding 300 individual creators as vendors, you onboard Gigapay once. Instead of collecting 300 sets of W-8s, KYC files, and VAT numbers, Gigapay collects them inside its own platform and validates them against the rules of each market.

Step 1: Setting Up Gigapay as Your Single Creator Vendor

The setup work on your side is mostly contractual and ERP-level, and it happens once.

1. Sign the master agreement with Gigapay: This is the service agreement that defines the MoR relationship, payment terms, and data handling. Your legal team reviews it once and then it sits behind every subsequent creator transaction.
2. Add Gigapay Sweden AB as a vendor in your ERP: One vendor record, with one set of bank details and one tax ID. This replaces the spreadsheet or supplier portal where individual creators would have been added.
3. Decide funding currency: Gigapay funds payouts in USD, EUR, GBP, SEK, DKK, or NOK. Most brands pick the currency of their billing entity, while creators receive payouts in the local currency of their destination market.
4. Choose your integration path: You can run everything through CSV upload from day one, or you can integrate the API into your existing creator marketing platform, affiliate dashboard, or campaign tool. Most teams start with CSV and move to API once volume justifies it.
5. Set up your project structure: A "project" in Gigapay corresponds to a campaign, a brand, or a market, whichever way your team thinks about reporting. Projects keep payouts grouped for reconciliation and let your finance team see spend by campaign without rebuilding ledger logic.

That work usually takes one to two weeks including legal review. Gigapay’s API integration itself, when you choose that path, takes two to five engineering days against the sandbox environment before you flip to production.

Step 2: How Creators Onboard Themselves Through Gigapay

This is where most of the operational gain shows up.

When your team adds a creator to a campaign in Gigapay, the creator receives a registration link. They open the link, choose how they want to be paid, and complete a short identity and tax form. The choice covers three entity types: individual, sole trader, or registered company. 

They do not need a VAT number or a registered business to start. They enter the information that applies to their actual legal status in their actual country.

Gigapay then runs the verification work in the background. KYC for individuals, KYB for companies, tax ID validation against the relevant national registries, sanctions screening, and source-of-funds checks for higher payout thresholds. If something is missing or fails validation, the creator is asked for it directly. Your team is not involved in the back-and-forth.

Once the creator is verified, they appear inside Gigapay as a payee that any of your campaigns can pay, with no further onboarding. The same creator, paid again three months later for a different campaign, does not start a new onboarding cycle. The record persists.

For brands working in Kolsquare, this entire registration step happens inside the influencer marketing platform itself, because Gigapay's payment infrastructure is integrated directly into Kolsquare workflows.

Step 3: What Gigapay Verifies and Validates Automatically

These are the checks that happen during onboarding, without your finance or compliance team running them manually.

• Identity verification: Document and biometric checks for individuals, beneficial ownership and company registration checks for sole traders and companies.
• Tax ID and VAT validation: Tax IDs are validated against the national registries that issued them. Where VAT numbers exist, they are checked against the country's official VAT system.
• Sanctions and PEP screening: Every payee is screened against sanctions lists and politically exposed person registers before a payout can run.
• Jurisdiction classification: Gigapay determines which tax rules apply based on the creator's location, entity type, and the brand's billing entity. This drives which reporting obligations get triggered downstream.
• Right-to-work and entity status: For markets where a creator's legal status affects what they can be paid for, Gigapay flags it during onboarding rather than letting it surface at audit.

The brand sees a pass or fail on each creator. The supporting documentation sits inside Gigapay's audit trail, accessible if regulators ask for it.

Step 4: How Tax and Regulatory Reporting Handles Itself

This is the part that matters most for finance leaders who carry the compliance risk.

Gigapay automates reporting for the regulatory regimes that creator payments most often trigger.

• DAC7, the EU platform economy reporting regime: Required for platforms facilitating payments to creators across EU borders, Gigapay reports the creator data and transaction totals annually to the relevant tax authorities.
• KSK, the Künstlersozialkasse in Germany: A 4.9% levy on creative payments above €1,000 that applies even when the creator is hired internationally. Gigapay calculates and reports KSK exposure rather than letting it accumulate as an unbooked liability.
• KU14 in Sweden: Annual reporting of payments to individuals for services rendered. Gigapay files KU14 directly.
• VAT classification: For creators registered for VAT, Gigapay applies the correct rate and includes it on the self-billing invoice. For creators not registered for VAT, it is excluded automatically.

Each party still bears its own tax responsibilities under applicable law. What changes is that the reporting work happens inside the platform on a continuous basis, which means audit prep becomes a pull from existing data rather than a year-end scramble to reconstruct it.

Step 5: How Invoices and Reconciliation Flow

A campaign in Gigapay produces one invoice. If you pay 300 creators across that campaign, Gigapay self-bills each creator individually inside the platform and then issues your brand one consolidated invoice for the campaign batch. 

The benchmark we see across customers is an 80% reduction in invoice volume in the first quarter on the platform.

Reconciliation against the ERP becomes a single line per campaign instead of 300 line items. Payment status, fees, and any failed payouts are reported back through webhooks or the platform interface. 

EarlyPay, which lets creators access scheduled funds before the brand's payment terms come due, is a creator-side option and does not affect when the brand is invoiced.

Step 6: API Integration vs CSV Upload

There are two ways to run vendor onboarding through Gigapay in practice, and the choice does not lock you in.

CSV upload works for brands that run influencer campaigns from a spreadsheet or a creator marketing tool that does not integrate directly. You upload the list of creators, amounts, and currencies. Gigapay handles the rest. This is the fastest path to live, often within a day of contract signing.

API integration suits brands building creator payments into an internal platform, an affiliate dashboard, or a creator marketing tool. The key endpoints are POST /v2/projects/, POST /v2/prepayments/, POST /v2/payouts/, and POST /v2/registrations/. Authentication is token-based, the format is JSON over HTTPS, and the sandbox environment lets you test full flows before you fund a single real payout. 

Full integration typically takes two to five engineering days. Webhooks deliver event updates so your downstream systems stay current without polling.

Most enterprise customers begin with CSV inside the first month and then move to API once the program is large enough that the engineering work pays back quickly.

What Changes for Finance, Marketing, and Creators

The vendor onboarding shift has different consequences for each of the three teams sitting around the table.

1. For finance

Your ERP holds one vendor record where it used to hold hundreds. Admin time on creator payments drops from roughly 840 hours a year to about 60, based on the ROI case we model for brands at 600 collaborations a year. Cross-border compliance moves from a recurring manual process to an automated one with an audit trail attached. 

The CFO no longer needs to staff for creator-program scale separately from other supplier scale.

2. For marketing

You can activate any creator without waiting six weeks for procurement to onboard them, including the nano and micro creators who were previously blocked by the registered-company requirement. 

• Boozt tripled their nano and micro-creator collaborations after putting Gigapay in place, without adding headcount. 
• Martin Leiva Godoy at WPPMedia's Goat agency described the implementation as a significant reduction in the time their team spent managing payments.

3. For creators

They are paid instantly through local payment rails, in their own currency, with tax documentation generated for them. Gigapay's creator NPS sits at 88 out of 100, which is the closest signal we have that the payment experience itself is becoming a retention lever for creator relationships rather than the place those relationships break.

Conclusion

Gigapay is the Merchant of Record platform that turns creator vendor onboarding from an admin tax on growth into a one-vendor, one-invoice flow that scales with the program. 

The shift starts with a single setup that swaps hundreds of individual supplier records for one master agreement, then layers automated identity verification, tax validation, jurisdiction-specific reporting, and instant payouts on top of it. 

Book a demo with our team to see what vendor onboarding looks like inside Gigapay before you scale your next campaign.

Read Next:

• The 2026 Creator Economy Payment Compliance Report
• The 2026 Creator Pay Report
• Mass Creator Payments in Europe: Everything Brands Need to Know in 2026

FAQs:

1. What is the easiest way to manage vendor onboarding for influencer marketing in 2026?

The easiest way to manage vendor onboarding for influencer marketing in 2026 is to consolidate all creators under a single Merchant of Record platform like Gigapay, which becomes the only supplier in your ERP and handles identity verification, tax classification, and reporting automatically for every market your campaigns touch.

2. How does Gigapay handle vendor onboarding for creators without a registered business?

Gigapay handles vendor onboarding for creators without a registered business by letting each creator self-onboard as an individual, sole trader, or company, with no requirement for a VAT number or company registration, and by validating their identity and tax ID against the relevant national registries inside the platform.

3. How long does it take to set up vendor onboarding with Gigapay?

It takes one to two weeks to set up vendor onboarding with Gigapay, including legal review of the master agreement, ERP setup, and CSV-based go-live. Full API integration typically adds two to five engineering days, with a sandbox environment available for testing before production.

4. What tax and compliance reporting does Gigapay automate during vendor onboarding?

The tax and compliance reporting that Gigapay automates during vendor onboarding includes DAC7 across the EU, KSK in Germany, KU14 in Sweden, sanctions and PEP screening, VAT classification, and tax ID validation against the national registries, all logged inside the platform's audit trail.

5. Why is vendor onboarding harder for creator programs than for traditional supplier programs?

Vendor onboarding is harder for creator programs than for traditional supplier programs because accounts payable was designed for long-term relationships with companies, while creator programs add dozens of new counterparties a week, most of them individuals without registered businesses, scattered across multiple jurisdictions with their own tax and reporting regimes.