Compendium

Accounting Frameworks and Payment Networks — Tier 3 Family Index

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Accounting Frameworks and Payment Networks

Comprehensive catalog of global accounting standards (US GAAP, IFRS, regional frameworks), key topical differences (revenue, leases, financial instruments, crypto, hedge accounting), and the global payments infrastructure stack — card networks, acquirers, real-time payment rails, wholesale settlement systems, BNPL providers, mobile wallets, and CBDCs. Covers the unified standards landscape post-IFRS 15/ASC 606 convergence and the ongoing migration to instant settlement (T+1, FedNow, ISO 20022).

1. Global Accounting Frameworks

US GAAP (Generally Accepted Accounting Principles)

  • Standard setter: Financial Accounting Standards Board (FASB), Norwalk CT, founded 1973; oversight by Financial Accounting Foundation (FAF); GAAP authority delegated by SEC (Public Accounting Reform 1973)
  • Codification: Accounting Standards Codification (ASC) launched 1 July 2009 — single authoritative source replacing the prior patchwork of FASB Statements, FASB Interpretations, EITF abstracts, APB Opinions; organized into approximately 110 topics (ASC 105 through ASC 985)
  • Hierarchy (post-codification): ASC is “authoritative”; everything else is non-authoritative
  • Updates: ASUs (Accounting Standards Updates) numbered annually e.g. ASU 2023-08

IFRS (International Financial Reporting Standards)

  • Standard setter: International Accounting Standards Board (IASB), London, founded 2001 (succeeded IASC est. 1973); IFRS Foundation umbrella
  • Standards: ~40 active IFRS and IAS (IAS = International Accounting Standards, predecessor numbering 1–41 still used; IFRS 1+ post-2001)
  • Adoption: 144+ jurisdictions require or permit IFRS for public companies (EU mandate 2005, UK, Australia, South Africa, Canada listed companies, Korea, Hong Kong, Singapore, Brazil, India Ind AS); United States, China, Japan permit dual options

Regional frameworks

  • UK GAAP — FRS 102 (Financial Reporting Standard 102) for medium-sized private entities; closer to IFRS than legacy UK GAAP; FRS 101 reduced disclosure for IFRS subsidiaries; FRS 105 micro-entities
  • Japan J-GAAP: Accounting Standards Board of Japan (ASBJ); IFRS optional permission since 2010; J-IFRS variant proposed; many large listed Japanese companies on US GAAP (Toyota, Sony) due to US listing; mixed dual usage
  • China CAS (Chinese Accounting Standards) — Ministry of Finance; largely IFRS-converged since 2007 (“ASBE” Accounting Standards for Business Enterprises) but PRC retains divergences (related-party transactions disclosure, government grants)
  • India Ind AS — IFRS-converged Indian standards effective 2015 (phased rollout for listed and large unlisted); MCA Ministry of Corporate Affairs
  • Australia AASB — Australian Accounting Standards Board; IFRS-adopting with minor for-profit/not-for-profit differentiation; AASB standards mirror IFRS

Specialized frameworks

  • GASB (Governmental Accounting Standards Board) — US state and local governments; modified accrual fund accounting; founded 1984; separate from FASB
  • FASAB (Federal Accounting Standards Advisory Board) — US federal government accounting; founded 1990
  • IPSAS (International Public Sector Accounting Standards) — IFAC-derived international public sector standards; ~50 countries adopting; cash-basis IPSAS for early adoption
  • Not-for-profit accounting — ASC Topic 958 (US GAAP for nonprofits); IFRS treats charity NFPs by analogy to IFRS for SMEs or full IFRS

2. GAAP vs IFRS Key Differences

Inventory

  • LIFO (Last-In First-Out) permitted under US GAAP only; prohibited under IFRS (since IAS 2 revised 2003)
  • LIFO conformity rule (IRC Section 472) — US tax requirement: if a company uses LIFO for US tax purposes (typically large benefit during inflation), it must also use LIFO for primary financial statements (creates friction for US multinationals reporting IFRS for foreign subsidiaries)
  • Lower of cost and market (GAAP) vs lower of cost and net realizable value (IFRS) — different measurement when comparing carrying cost; “market” definition under GAAP includes replacement cost ceiling/floor

Development costs

  • US GAAP — research and development costs both expensed as incurred (ASC 730) with limited exceptions (software development costs ASC 350-40, ASC 985-20)
  • IFRS (IAS 38) — research expensed; development capitalized when six criteria met (technical feasibility, intent to complete, ability to use/sell, future economic benefits, adequate resources, reliable measurement)

Asset impairment

  • US GAAP (ASC 360) — two-step test: (1) recoverability test comparing carrying amount to undiscounted cash flows; (2) if not recoverable, measure impairment as carrying amount minus fair value
  • IFRS (IAS 36) — single-step: compare carrying amount to recoverable amount (higher of fair value less costs of disposal and value in use using discounted cash flows)
  • Reversal: GAAP prohibits reversal of impairment losses; IFRS allows reversal (except for goodwill)

Convertible debt

  • IFRS (IAS 32 + IAS 39 / IFRS 9) — bifurcate liability and equity components at issuance
  • US GAAP (ASU 2020-06 effective 2022) — simplified to single liability instrument for most convertibles (eliminated cash conversion + beneficial conversion feature accounting); single instrument plus diluted EPS via if-converted method

Component depreciation

  • IFRS (IAS 16) — required to depreciate significant components separately when useful lives differ (aircraft engine vs airframe)
  • US GAAP — component depreciation permitted but not required; bulk depreciation typical

3. Major Convergence Projects (Joint FASB/IASB)

Revenue Recognition — ASC 606 / IFRS 15 (jointly issued 2014; effective 2018 IFRS / 2018–2019 GAAP)

  • 5-step model identical across GAAP and IFRS:
    1. Identify contract with customer
    2. Identify separate performance obligations
    3. Determine transaction price
    4. Allocate transaction price to performance obligations
    5. Recognize revenue when (or as) performance obligation satisfied
  • Convergence success — eliminated most US/IFRS revenue recognition differences; major effort began 2002 Norwalk Agreement
  • Variable consideration (rebates, refunds, performance bonuses) included at expected value or most likely amount with constraint

Lease Accounting — ASC 842 / IFRS 16 (effective 2019)

  • Both moved operating leases on-balance-sheet via right-of-use (ROU) asset and lease liability
  • IFRS 16 — single lessee model (all leases treated as finance leases on balance sheet); income statement shows depreciation + interest expense (front-loaded total expense)
  • ASC 842 — dual classification: operating leases (straight-line lease expense in income statement — original P&L pattern retained) vs finance leases (depreciation + interest)
  • Lessor accounting largely unchanged (sales-type, direct financing, operating)
  • Short-term lease exemption (≤12 months) — both standards permit off-balance-sheet treatment

Hedge Accounting — ASC 815 / IFRS 9 (IFRS 9 replaced IAS 39 effective 2018)

  • Three hedge types in both: fair value hedge, cash flow hedge, net investment in foreign operation hedge
  • Effectiveness testing — IFRS 9 simplified (qualitative permitted when economic relationship exists); ASC 815 retains 80–125 percent quantitative bright line (relaxed by ASU 2017-12)
  • Component hedging — IFRS 9 permits hedging risk components of non-financial items; ASC 815 limited

Stock-Based Compensation — ASC 718 / IFRS 2

  • Both recognize grant-date fair value (Black-Scholes or binomial lattice for options) over vesting period
  • Modifications — IFRS 2 prohibits cancellation accounting; GAAP allows
  • Tax benefits — ASC 740 differences in treatment of excess tax benefits

Pension — ASC 715 / IAS 19R

  • Both recognize funded status (plan assets minus PBO/DBO) on balance sheet
  • IAS 19R (revised 2011) — remeasurements (actuarial gains/losses + return on plan assets above interest cost) recognized immediately in OCI with no recycling to P&L
  • ASC 715 — remeasurements in OCI with recycling via amortization of “corridor” excess back to P&L over time; net periodic pension cost smoothing differs

Financial Instruments — IFRS 9 vs ASC 326/825

  • IFRS 9 (effective 2018; replaced IAS 39): classification — amortized cost, FVOCI (fair value through OCI), FVPL (fair value through P&L); business model and SPPI (solely payments of principal and interest) tests
  • Expected Credit Loss (ECL) model under IFRS 9: forward-looking; 12-month ECL for Stage 1 (no significant deterioration), lifetime ECL for Stage 2 (significant deterioration) and Stage 3 (impaired)
  • CECL (Current Expected Credit Loss) under ASC 326 (effective 2020 for large public banks, 2023 small banks): single forward-looking lifetime ECL from day 1 for all loans; more conservative than IFRS 9 staging

Crypto Assets — ASU 2023-08 (FASB December 2023; effective fiscal years beginning after 15 December 2024)

  • Pre-2023 GAAP: crypto held as indefinite-lived intangible (ASC 350); cost-less-impairment only; impairments not reversible; egregious for volatile assets like Bitcoin
  • ASU 2023-08: fair value through net income for in-scope crypto (Bitcoin, Ether — fungible, residing on blockchain, not provided by counterparty); changes recognized in earnings each reporting period
  • IFRS: no specific standard; preparers apply IAS 38 (intangible) revaluation model where active market exists, or IAS 2 (inventory) for broker-dealers; IFRIC discussions ongoing

4. Card Payment Networks

Visa

  • Market share: ~60 percent of global card purchase volume 2023
  • Volume: USD 15.7 trillion FY2024 (TTV — total transaction volume across credit + debit)
  • Listed: NYSE: V; IPO 2008 (largest US IPO at that time, USD 17.9 billion); market cap ~USD 550B (2024)
  • Network: open-loop 4-party model (cardholder, issuer, merchant, acquirer)

Mastercard

  • #2 globally: ~26 percent global card share
  • Volume: USD 8.7 trillion FY2024 (gross dollar volume)
  • Listed: NYSE: MA; IPO 2006; market cap ~USD 450B
  • Network: open-loop 4-party

American Express

  • Closed-loop: AmEx is issuer and acquirer (3-party model); higher merchant discount rates (~3.5 percent vs Visa/MC ~2 percent)
  • Volume: USD 1.7 trillion 2024 billed business
  • Listed: NYSE: AXP; market cap ~USD 200B

Discover

  • US-centric closed-loop; founded 1985 by Sears; spun off
  • Capital One acquisition pending (announced February 2024, USD 35.3 billion; would create largest US card issuer by balances)

UnionPay (China)

  • PRC-domestic dominant; PBOC affiliate; founded 2002
  • Global volume: largest by transaction count (China internal); ~USD 30 trillion+ TTV
  • Limited international acceptance (Asia-Pacific, growing Europe)

Other regional networks

  • JCB (Japan Credit Bureau) — Japan-origin; international acceptance
  • Diners Club — founded 1950 (first general-purpose charge card); acquired by Discover 2008
  • Rupay (India) — NPCI-operated; UPI-linked; rapid domestic growth
  • Elo (Brazil) — Brazilian domestic network
  • Mir (Russia) — created 2014 in response to potential Visa/MC sanctions exposure

5. Interchange and Merchant Fees

Interchange fee mechanics

  • Definition: fee acquirer pays issuer when consumer uses card at merchant
  • US rates: typically 1.5–3 percent for credit; 1.5–2 percent for premium rewards cards; 0.05–0.2 percent for regulated debit (post-Durbin)
  • Highest globally — US interchange rates 5–10x EU rates
  • EU IFR Interchange Fee Regulation 2015: capped consumer credit interchange at 0.3 percent, consumer debit at 0.2 percent; commercial cards excluded
  • UK, Australia — similar caps via Payment Systems Regulator (UK PSR) and Reserve Bank of Australia respectively
  • Brazil Central Bank — capped debit interchange ~0.5 percent 2021

US debit cap (Reg II / Durbin Amendment)

  • Dodd-Frank 2010 Section 1075 (Durbin Amendment) — Federal Reserve Reg II caps debit interchange for issuers with >USD 10B assets at USD 0.21 + 0.05 percent of transaction + USD 0.01 fraud-prevention adjustment
  • 2023 NPR (Notice of Proposed Rulemaking) — Fed proposed lowering cap to USD 0.144 + 0.04 percent + USD 0.013; comments closed 2024; finalization pending
  • Reg II Routing Provisions — at least two unaffiliated networks per debit card (typically Visa/MC plus signature network); July 2023 extension to card-not-present transactions

Merchant lawsuits and settlements

  • Payment Card Interchange Fee and Merchant Discount Antitrust Litigation (MDL 1720, EDNY) — multi-decade
  • 2012 settlement (USD 7.25B) rejected by Second Circuit 2016
  • 2018 settlement (USD 6.24B) for damages class
  • 2024 settlement (USD 30B over 5 years) for injunctive class — small reductions in swipe fees announced (~0.04 percent for 5 years), increased merchant ability to surcharge
  • Walmart, Target, Amazon lawsuits — separate opt-out cases pursued
  • Brnovich v. Visa — recent merchant arbitration/routing claims
  • CCCA (Credit Card Competition Act) — Durbin-Marshall bill 2022–2024 to extend debit-style routing requirements to credit; pending

4-party vs 3-party

  • 4-party (open-loop, Visa/MC) — cardholder, issuer bank, acquirer bank, merchant; interchange flows acquirer→issuer
  • 3-party (closed-loop, AmEx/Discover/JCB) — network is both issuer and acquirer; no interchange (merchant discount fee directly)

6. Acquirers and Payment Processors

Major US/global acquirers

  • Worldpay — FIS spinoff August 2024 to GTCR (private equity) + Charles Schwab joint venture; spun out from FIS at USD 18.5 billion valuation; IPO planned
  • Fiserv (NYSE: FI) — merged with First Data 2019; ~USD 80B market cap; Clover POS; ~USD 200B+ annual processing volume
  • Global Payments (NYSE: GPN) — merged with TSYS 2019; ~USD 30B market cap
  • Adyen (Amsterdam: ADYEN) — Dutch; IPO 2018; processed EUR 1 trillion 2023; unified global platform; clients Spotify, Uber, eBay, Microsoft
  • Stripe — private; latest valuation USD 65B (July 2024 secondary tender); processes >USD 1T annual; products include Atlas (incorporation), Climate (carbon removal), Issuing, Treasury, Identity, Tax, Radar (fraud)
  • PayPal Holdings (Nasdaq: PYPL) — includes Braintree, Venmo; ~USD 70B market cap; ~USD 1.7 trillion TPV (total payment volume) 2024
  • Block / Square (NYSE: SQ — renamed Block 2021) — Cash App + Square Seller; ~USD 40B market cap
  • Toast (NYSE: TOST) — restaurant POS specialist; ~110,000+ restaurant locations
  • Shopify Payments — Stripe-powered; ~50 percent of Shopify GMV
  • Checkout.com (UK private) — peaked USD 40B valuation 2022; e-commerce focus
  • Mollie (Netherlands) — European SMB
  • Rapyd (Israel/UK) — fintech-as-a-service
  • Wise (LSE: WISE; formerly TransferWise) — cross-border consumer remittance; ~USD 9B market cap

7. Buy-Now-Pay-Later (BNPL)

  • Affirm (Nasdaq: AFRM) — Max Levchin founder; ~USD 15B market cap; Apple Pay Later integration since 2024
  • Klarna (Stockholm) — IPO filed 2024 targeting USD 14B valuation; founded 2005; ~150M consumers
  • Afterpay — acquired by Block (Square) August 2021 for USD 29B (largest Australian deal)
  • PayPal Pay in 4 — 4-installment PayPal-integrated
  • Apple Pay Later — discontinued summer 2024 (Apple pivoted to third-party integration via Affirm)
  • Zip (Australia) — Zip Pay, QuadPay (US)
  • Sezzle — Minneapolis-based; Walmart partnership
  • Splitit — interest-free split via existing card credit

CFPB regulation

  • 2024 interpretive rule: BNPL providers must follow Regulation Z (Truth in Lending) requirements applicable to credit cards including dispute resolution and refund procedures

8. ACH (Automated Clearing House)

  • Operator: Nacha (National Automated Clearing House Association); rules-making body
  • Volume: ~USD 80 trillion 2023 (29B+ transactions)
  • Same Day ACH — launched 2016; up to USD 1 million per transaction since March 2022
  • ACH credit (push, e.g. direct deposit) and ACH debit (pull, e.g. bill pay)
  • Settlement: through Federal Reserve FedACH service and The Clearing House EPN (Electronic Payments Network) (private competitor)

9. Instant Payment Rails

FedNow (US)

  • Launched 20 July 2023 by Federal Reserve
  • 24/7/365 instant settlement; immediate funds availability
  • Limit: initially USD 500,000 per transaction (operator), raised to USD 1M January 2024
  • Adoption: 1,000+ participating financial institutions by mid-2024
  • Account-to-account push payments; coexists with TCH RTP

RTP (The Clearing House Real-Time Payments) — US

  • Launched November 2017 by The Clearing House (consortium of large US banks)
  • 24/7 settlement; USD 10 million transaction limit (raised from USD 1M February 2024)
  • Volume: ~USD 1 trillion annualized 2024

Other instant rails (selected)

  • UK Faster Payments — launched 2008; one of earliest instant payment systems; near-real-time bank-to-bank; ~£3 trillion annual
  • SEPA Instant Credit Transfer (SCT Inst) — Eurozone 2017; EUR 100,000 limit (raised 2020); ~30 percent of SEPA credit transfers instant 2024
  • UPI (Unified Payments Interface) — India — NPCI 2016; ~14 billion transactions/month (2024), USD 2T+ annual; QR code + handle-based (mobile@bank); near-zero cost; 350M+ users; dominant retail payments rail
  • Pix (Brazil) — Central Bank of Brazil 2020; 24/7/365 instant; free for P2P; ~150M users; mandatory for banks; dominant in 4 years
  • PromptPay (Thailand) — 2016
  • FAST (Singapore) — 2014
  • Osko (Australia) — 2018 (NPP New Payments Platform)
  • Faster Payment System (Hong Kong) — 2018
  • Zengin (Japan) — legacy; instant payment over 80 percent of weekday transactions
  • PayNow (Singapore) — handle-based on top of FAST

10. SWIFT and Cross-Border Messaging

  • SWIFT (Society for Worldwide Interbank Financial Telecommunication) — founded 1973, Belgium; cooperative owned by 11,000+ member banks
  • Function: secure financial messaging (not settlement); MT (Message Type) format legacy; ISO 20022 migration
  • ISO 20022 migration — originally targeted November 2025 full SWIFT MT/MX migration; coexistence period extended to November 2025 hard deadline; richer structured data for compliance
  • Russia removal — March 2022 post-Ukraine invasion; 7 Russian banks initially removed (then expanded list)
  • CIPS (Cross-Border Interbank Payment System) — Chinese alternative for RMB cross-border; PBOC 2015; ~USD 30T processed cumulative; limited international ubiquity

11. Tokenization, Security, Card-Not-Present

  • PCI-DSS (Payment Card Industry Data Security Standard) — PCI Security Standards Council (Visa, MC, AmEx, Discover, JCB founders); current v4.0.1 June 2024; mandatory for card data handlers
  • EMV (Europay, Mastercard, Visa) chip standard — chip-and-PIN/chip-and-signature; US migration 2015; liability shift
  • Tokenization — Visa Token Service (VTS), Mastercard Digital Enablement Service (MDES); replace PAN (Primary Account Number) with token DPAN for storage; Apple/Google Pay use device-bound DPAN
  • TR-31 (Key Block format) — symmetric key wrapping standard for PIN/encryption keys
  • 3-D Secure 2.0 (3DS2) — issuer-merchant cardholder authentication; EU SCA (Strong Customer Authentication under PSD2) compliance; risk-based authentication exemptions

12. Wholesale and Securities Settlement

  • DTCC (Depository Trust & Clearing Corporation) — US central securities depository; settles US equity and corporate/muni bond trades; processed USD 2.5 quadrillion volume 2023; subsidiaries DTC (Depository Trust Company), NSCC (National Securities Clearing Corporation), FICC (Fixed Income Clearing Corporation)
  • Fedwire — Federal Reserve real-time gross settlement (RTGS) system for large-value USD payments; USD 1 trillion+ daily turnover
  • CHIPS (Clearing House Interbank Payments System) — TCH-operated USD wholesale clearing; USD 1.8 trillion+ daily
  • Euroclear (Brussels) — European ICSD International Central Securities Depository; ~EUR 38 trillion AUC
  • Clearstream (Luxembourg, owned by Deutsche Börse) — EUR ~17 trillion AUC
  • JASDEC (Japan Securities Depository Center)
  • CDS Clearing and Depository Services — Canada (TMX)
  • CLS (Continuous Linked Settlement) — FX settlement-risk mitigation (PvP payment-versus-payment); USD 6 trillion+ daily; 18 currencies eligible

13. Central Bank Digital Currencies (CBDC)

  • e-CNY (China) — PBOC; live deployment 2020+; ~260M wallets, USD 250B+ cumulative transaction value (2024)
  • Sand Dollar (Bahamas) — first sovereign CBDC live, October 2020
  • eNaira (Nigeria) — October 2021; modest adoption
  • JAM-DEX (Jamaica) — 2022
  • Project Agorá — BIS Innovation Hub + 7 central banks (Fed, ECB, Bank of England, Bank of Japan, Bank of Korea, Banco de México, Swiss National Bank) wholesale CBDC + tokenized commercial bank money exploration (announced 2024)
  • 134 countries exploring or piloting CBDC (Atlantic Council CBDC Tracker, 2024)

14. Mobile and Digital Wallets

  • Apple Pay — launched 2014; iPhone/Apple Watch NFC; tokenized; ~700M users; Apple Cash P2P
  • Google Wallet (formerly Google Pay) — Android NFC; ~250M active users
  • Samsung Wallet — Samsung NFC + MST (magnetic secure transmission) legacy
  • Cash App (Block) — ~57M active users 2024 (US, UK); P2P + Bitcoin + investing + Cash Card debit
  • Zelle — bank-network P2P; Early Warning Services (consortium of 7 major US banks); USD 800B+ 2023; recent fraud-recovery controversies and Senate Banking hearings 2024
  • Alipay (Ant Group) — China; ~1.3B users; 95 percent of Chinese mobile payments market with WeChat Pay
  • WeChat Pay (Tencent) — China; ~1.3B users
  • Paytm (India) — ~350M users; UPI-linked; regulatory issues 2024 (RBI restrictions on Paytm Payments Bank)
  • PhonePe (Walmart-owned) — India; UPI-dominant ~46 percent UPI market share
  • Google Pay India — 35 percent UPI market share
  • M-Pesa (Vodafone/Safaricom Kenya) — launched 2007; ~50M users across Kenya, Tanzania, Mozambique, DR Congo, Egypt; SMS-based mobile money; transformative for unbanked

15. Settlement Timing

  • T+1 (US, Canada, Mexico) — effective 28 May 2024; reduced from T+2; SEC Rule 15c6-1 amendments; equities, corporate/muni bonds, ETFs
  • T+2 (EU, UK, Japan, Hong Kong, Australia) — most other developed markets remain T+2; UK and EU planning T+1 transition by 2027
  • T+0 (instant settlement) — emerging in DLT/DeFi; Project Mariana (BIS); ASX CHESS replacement (Australia’s failed blockchain settlement project terminated 2022)
  • Reg SHO — short-sale settlement requirements; T+35 close-out for fails-to-deliver

16. Open Banking / Open Finance

UK CMA Order 2017

  • Competition and Markets Authority required 9 largest UK banks to open APIs for account access and payment initiation; OBIE (Open Banking Implementation Entity) operator

EU PSD2 (Payment Services Directive 2)

  • Effective January 2018; mandated SCA (September 2019, extended grace to December 2020)
  • Two new entity types: AISPs (Account Information Service Providers — read access) and PISPs (Payment Initiation Service Providers — initiate payments on behalf of users)

PSD3 / PSR (Payment Services Regulation)

  • Proposed June 2023; EU revision of PSD2 expected effective 2026–2027; updates for stronger consumer protection, fraud liability, open finance scope expansion

US CFPB Rule 1033 (Personal Financial Data Rights)

  • Finalized October 2024 (CFPB under Director Rohit Chopra); implements Dodd-Frank Section 1033
  • Requires depository institutions to make consumer financial data accessible via API to authorized third parties
  • Phased implementation: largest banks April 2026 → smallest 2030
  • FDX (Financial Data Exchange) — industry standard-setter; not endorsed by rule but expected de facto

Aggregator providers

  • Plaid — USD 13.4 billion valuation (Series D 2021); Visa acquisition blocked by DOJ January 2021 (USD 5.3B deal terminated); ~12,000+ apps integrated; ~120M consumer connections
  • MX Technologies — Utah; ~USD 2B valuation
  • Tink — Stockholm; acquired by Visa 2022 EUR 1.8B
  • Yodlee — owned by Envestnet
  • Truelayer — UK; ~USD 1B valuation
  • Codat, Rutter, Finicity (Mastercard) — accounting/commerce API aggregators

Adjacent Notes

Graph View