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Aavenir Atlas early access is open Contractflow on the ServiceNow Store since 2019 Runs on ServiceNow, or standalone ProcureTech100 2025/26 Pioneering Digital Solution ISO/IEC 27001:2022 certified, SOC 2 Type 2 compliant

Glossary

What is source-to-pay (S2P) software?

Source-to-pay (S2P) software runs the whole buying process in one system, from sourcing and supplier selection through contracts, purchase orders, invoices and payment.

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How source-to-pay software works

Source-to-pay software follows a purchase from the first business need to the final payment. A typical flow is: define the need, ask the market through a request for information, proposal or quotation, compare bids, choose a supplier, negotiate and sign the contract, onboard the supplier, raise the purchase order, receive the goods or service, match the invoice and pay.

Because every step sits on one record, the price and terms agreed during sourcing are still visible when the invoice arrives months later.

Source-to-pay versus procure-to-pay

  • Procure-to-pay. starts when someone requests a purchase and ends at payment. It covers requisitions, purchase orders, receipts and invoices.
  • Source-to-pay. adds the strategic steps before that: finding suppliers, running sourcing events, negotiating and contracting.

Why it matters

When sourcing, contracting and payment live in separate tools, value leaks between them. A discount won in negotiation is not applied to invoices, a supplier that failed onboarding still gets paid, and nobody can see total spend with one supplier. One connected process closes those gaps and gives finance and procurement the same view.

How Aavenir handles it

Aavenir covers the chain on the Aavenir intelligence platform: RFPflow for sourcing events, Contractflow for the contract, Onboardingflow for supplier onboarding and Invoiceflow for invoice checks against the signed terms. It runs natively on ServiceNow or standalone, and a person approves every AI action.

Keep reading

Purchase to pay Purchase to pay, also called procure to pay, is the process that runs from requesting a purchase through ordering...Read more RFx software RFx software runs requests for information, proposal and quotation in one system, with templates, supplier responses...Read more Spend management Spend management is the practice of controlling and getting the most value from everything an organization spends with...Read more

Frequently asked questions (FAQ)

Common questions

What is the difference between source-to-pay and procure-to-pay?

Procure-to-pay starts when someone requests a purchase and ends at payment. Source-to-pay adds the earlier strategic steps, such as finding suppliers, running sourcing events and negotiating the contract, so the agreed terms carry through to payment. Read about procure-to-pay.

What does source-to-pay software usually include?

Most suites cover sourcing events, supplier onboarding and information, contract management, purchase orders, invoice matching and spend reporting. Some buyers assemble these from separate products that share one supplier and contract record. See the Aavenir platform.

Does source-to-pay software replace an enterprise resource planning system?

Usually not. The enterprise resource planning system stays the book of record for ledgers and payments, while source-to-pay software runs the buying and contracting work and passes approved orders and invoices to it. See Invoiceflow.

Have a question we have not answered? Ask the Expert

Schedule a demo

See your contracts run on one record.

  • 1 A 30 minute walkthrough Built around your team, whether that is procurement, legal, IT or finance.
  • 2 Your contracts, not ours Bring a few sample agreements and watch Aavenir AI extract and review them.
  • 3 ServiceNow or standalone We show the deployment that fits the systems you already run.

Prefer to talk first? Contact the team.