{ "sym": "Pa", "updated": "2026-08-06", "verdict": "Stripe, and it isn't close \u2014 $1.9T processed in 2025 (1.6% of global GDP), native usage meters, the Metronome acquisition folding the OpenAI/Anthropic billing layer into the platform, and the Agentic Commerce Protocol co-authored with OpenAI making it the default rail for selling to both humans and agents. Polar is the pick when you're a small team selling AI software globally and want a merchant of record with LLM-token billing out of the box; Paddle when you're a proven SaaS or app business that wants the veteran MoR with humans behind it; Orb (now Adyen) when usage-and-credits pricing is the product and you're past Series A; Lago when you refuse to rent your billing stack.", "top5": [ { "rank": 1, "name": "Stripe", "maker": "Stripe, Inc.", "url": "https://stripe.com", "docs": "https://docs.stripe.com", "pricing": "Cards 2.9% + 30\u00a2 (+1.5% intl) \u00b7 Billing 0.7% PAYG or from $620/mo \u00b7 Managed Payments MoR +3.5% \u00b7 Metronome startup tier w/ $100K allotment \u00b7 agentic Shared Payment Tokens $0.15 each", "best_for": "The default revenue stack for an AI-era startup \u2014 checkout, subscriptions, usage meters, tax, and agent-facing commerce on one API you'll never fully outgrow.", "why": "Businesses on Stripe generated $1.9T in 2025 (+34%, 1.6% of global GDP) and its Revenue suite is tracking toward a $1B run-rate. It bought Metronome (Dec 3, 2025) \u2014 the layer that bills OpenAI, Anthropic, and NVIDIA \u2014 and co-authored the Agentic Commerce Protocol with OpenAI, powering ChatGPT Instant Checkout. Every upgrade path (MoR via Managed Payments, usage billing via Metronome, machine payments via x402/MPP) now lives in-house.", "watch": "Fees stack: Billing + Tax + Radar + Managed Payments can push all-in cost past a flat-fee MoR. Not a merchant of record by default \u2014 you carry global tax liability unless you pay the +3.5% Managed Payments adder. Complexity is real; small teams routinely underestimate the integration surface.", "evidence": [ { "stat": "$1.9T total payment volume in 2025, +34% YoY \u2014 ~1.6% of global GDP (annual letter, Feb 2026)", "src": "https://stripe.com/annual-updates/2025" }, { "stat": "$159B valuation via employee tender, Feb 2026 \u2014 up 70% from $91.5B a year earlier", "src": "https://en.wikipedia.org/wiki/Stripe,_Inc." }, { "stat": "Metronome acquired Dec 3, 2025; Revenue suite on track for $1B annual run-rate; ACP live in ChatGPT Instant Checkout since Sep 2025", "src": "https://stripe.com/annual-updates/2025" } ], "tile_note": "the revenue default" }, { "rank": 2, "name": "Polar", "maker": "Polar Software (open source, Apache-2.0)", "url": "https://polar.sh", "docs": "https://polar.sh/docs/introduction.md", "pricing": "Starter free, 5% + 50\u00a2 \u00b7 Pro $20/mo, 3.8% + 40\u00a2 \u00b7 Growth $100/mo, 3.6% + 35\u00a2 \u00b7 Scale $400/mo, 3.4% + 30\u00a2 \u00b7 startup program: 12 mo free at Scale rates", "best_for": "Solo devs and small AI teams who want a merchant of record \u2014 sales tax, VAT, chargebacks handled \u2014 plus usage, credits, and LLM-token billing without building any of it.", "why": "The MoR built specifically for AI-era software: meter tokens, API calls, and GPU time down to the event, with LLM billing wired into the Vercel AI SDK. Open source (Apache-2.0, ~9.9k GitHub stars) with a $10M Accel-led seed (Jun 2025) and users like Tailwind CSS, FastAPI, and Midday. It compresses Stripe + tax + entitlements + metering into one checkout.", "watch": "A seed-stage company sitting in your entire revenue path \u2014 counterparty risk is the honest price. Fees run 1\u20132 points above raw Stripe, and the May 2026 'Polar Plans' repricing added monthly platform fees where a flat 4% + 40\u00a2 used to be.", "evidence": [ { "stat": "$10M seed led by Accel (Jun 17, 2025)", "src": "https://polar.sh/blog" }, { "stat": "~9.9k GitHub stars, Apache-2.0, active releases through May 2026", "src": "https://github.com/polarsource/polar" }, { "stat": "Tiered MoR pricing 3.4\u20135% + 30\u201350\u00a2 incl. tax/VAT/chargebacks; LLM token metering via Vercel AI SDK (Aug 2026)", "src": "https://polar.sh" } ], "tile_note": "mor for ai devs" }, { "rank": 3, "name": "Paddle", "maker": "Paddle.com Market Ltd", "url": "https://www.paddle.com", "docs": "https://developer.paddle.com", "pricing": "5% + 50\u00a2 per checkout (all-in: MoR, global tax, fraud, support) \u00b7 custom rates at scale \u00b7 sub-$10 products and invoicing need a quote", "best_for": "SaaS and app businesses past first revenue that want the proven merchant of record \u2014 one vendor eating tax, compliance, chargebacks, and support across 200+ markets.", "why": "The scaled MoR: 10,000+ businesses, $130M in sales taxes remitted last year, customers from Fortinet to Tailwind Labs and n8n. It won the vibe-coding wave's distribution prize \u2014 'Lovable Payments, powered by Paddle' makes it the default checkout for prompt-built apps \u2014 and its App2Web push targets the Apple-tax arbitrage every consumer AI app now runs.", "watch": "5% + 50\u00a2 is the priciest headline rate in this table, and onboarding involves real vetting \u2014 approval isn't instant. It's a packaged platform, not a primitives API: deep custom billing logic fits Stripe or a billing layer better.", "evidence": [ { "stat": "10,000+ businesses; 190M transactions processed; $130M sales tax remitted last year (site, Aug 2026)", "src": "https://www.paddle.com" }, { "stat": "5% + 50\u00a2 pay-as-you-go all-in MoR pricing (Aug 2026)", "src": "https://www.paddle.com/pricing" }, { "stat": "'Lovable Payments, powered by Paddle' \u2014 MoR checkout embedded in the leading vibe-coding platform (2026)", "src": "https://www.paddle.com/blog" } ], "tile_note": "the proven mor" }, { "rank": 4, "name": "Orb", "maker": "Orb \u2192 Adyen (closed Jul 1, 2026)", "url": "https://www.withorb.com", "docs": "https://docs.withorb.com", "pricing": "Custom (Core / Advanced / Enterprise), priced on invoice billings + events ingested \u2014 no public rate card", "best_for": "Series A+ companies whose pricing IS the product \u2014 usage, credits, prepaid thresholds, hybrid seats \u2014 and who keep their own payment processor.", "why": "The reference usage-billing platform for AI infrastructure: Vercel, Replit, Supabase, Fal, and Writer run on it, it's stress-tested past 250,000 events/second, and it shipped agentic payment-method support (shared payment tokens) before any rival. The Adyen acquisition (closed Jul 1, 2026) puts a payments giant behind it while Orb pledges standalone operation and processor neutrality.", "watch": "No public pricing \u2014 expect a sales cycle and real invoices. Acquisition integration risk is unproven despite the neutrality pledge; the Metronome-into-Stripe precedent shows independents get pulled toward their owner's rails. Overkill below ~$1M ARR.", "evidence": [ { "stat": "Acquisition by Adyen closed Jul 1, 2026; Orb continues as a standalone, processor-neutral product", "src": "https://www.withorb.com/blog/orb-next-chapter" }, { "stat": "Customers incl. Vercel, Replit, Supabase, Fal, Writer; stress-tested to 250,000+ events/sec (Aug 2026)", "src": "https://www.withorb.com/pricing" }, { "stat": "First billing platform supporting agentic payment methods / shared payment tokens (2026)", "src": "https://www.withorb.com/blog/billing-for-the-agentic-era-orb-now-supports-shared-payment-tokens" } ], "tile_note": "usage billing, enterprise grade" }, { "rank": 5, "name": "Lago", "maker": "Lago (open source, AGPL-3.0 core)", "url": "https://www.getlago.com", "docs": "https://doc.getlago.com", "pricing": "Open-source self-host free (AGPL-3.0) \u00b7 Lago Premium (cloud or self-hosted) custom, with paid add-ons for premium ingestion, tax, 24/7 support", "best_for": "Teams that must own the billing stack \u2014 self-hosting, EU data residency, gateway neutrality, or pricing logic too weird to rent.", "why": "The open-source billing engine AI's fastest companies actually run: Mistral AI, Groq, Gladia, Synthesia, and Laravel are customers. AGPL core with 9.7k stars and steady releases (v1.46, May 2026), metering-to-invoice in one self-hostable stack, and payment-gateway orchestration across providers \u2014 the only top-5 path with zero platform lock-in.", "watch": "The gap between the free core and Premium is wide, and Premium pricing is opaque contact-us territory. Self-hosting billing is genuine ops burden \u2014 dunning, tax, and invoice edge cases become your on-call problem.", "evidence": [ { "stat": "Customers incl. Mistral AI, Groq, Synthesia, Laravel, OVHcloud (Aug 2026)", "src": "https://www.getlago.com/pricing" }, { "stat": "AGPL-3.0 core, 9.7k GitHub stars, 185 releases, v1.46.0 shipped May 13, 2026", "src": "https://github.com/getlago/lago" } ], "tile_note": "open-source billing engine" } ], "matrix": { "cols": [ "Model", "Headline cost", "MoR (tax off you)", "Usage / credit billing", "Agentic payments", "Open source", "Sweet spot" ], "rows": [ [ "Stripe", "Processor + billing suite", "2.9% + 30\u00a2 (+0.7% Billing)", "Opt-in (+3.5% Managed Payments)", "Native (meters + Metronome)", "ACP \u00b7 SPT \u00b7 x402 \u00b7 agent wallets", "No", "Everyone; the default" ], [ "Polar", "MoR, dev-first", "3.4\u20135% + 30\u201350\u00a2 (+$0\u2013400/mo)", "Yes, default", "Yes \u2014 meters, credits, LLM tokens", "Not yet", "Yes (Apache-2.0)", "Solo devs \u2192 seed AI apps" ], [ "Paddle", "MoR, full service", "5% + 50\u00a2 all-in", "Yes, default", "Basic metered/hybrid", "Not yet (Lovable channel)", "No", "SaaS + apps, $100K\u2013$50M" ], [ "Orb", "Billing layer, BYO processor", "Custom (billings + events)", "No", "Yes \u2014 250k events/sec, credits", "Yes \u2014 shared payment tokens", "No", "Series A+ AI infra" ], [ "Lago", "Billing engine, BYO processor", "Free self-host \u00b7 Premium custom", "No", "Yes \u2014 metering + AI billing", "Not yet", "Yes (AGPL-3.0)", "Own-your-stack teams" ], [ "Stripe", "Usage billing layer", "0.8% billing vol \u00b7 $0.04/1k events", "No", "Yes \u2014 powers OpenAI, Anthropic", "Via Stripe rails", "No", "Usage-heavy scale-ups" ], [ "Creem", "MoR, indie-first", "3.9% + 40\u00a2 flat", "Yes, default", "Basic", "MCP-native DX; no protocol", "No", "Indie hackers" ], [ "Chargebee", "Billing layer, BYO processor", "Free to $250K then 0.75% \u00b7 $7,188/yr", "No", "Yes \u2014 tokens, credits, hybrid", "Not yet", "No", "Mid-market SaaS" ] ] }, "rules": [ { "if": "You're pre-revenue or unsure what your pricing will be", "then": "Stripe. 2.9% + 30\u00a2, usage meters included, and every future need \u2014 MoR, Metronome-grade usage billing, agentic checkout \u2014 is an upgrade, not a replatform. One in five Atlas startups now charges within 30 days of incorporating; be one." }, { "if": "You're a small team selling AI software globally and refuse to touch VAT registrations", "then": "Polar \u2014 the 1\u20132 point MoR premium is cheaper than compliance, and LLM-token billing comes free. Creem or Dodo if you want a flat-fee indie alternative." }, { "if": "You're past ~$1M ARR with a subscription product and want one vendor liable for tax, fraud, and chargebacks everywhere", "then": "Paddle \u2014 10,000+ businesses and $130M in tax remitted last year say the model works; or Stripe Managed Payments (+3.5%) if you're already deep on Stripe." }, { "if": "Usage, credits, or outcome pricing IS your product (AI infra, agents, GPU time)", "then": "Orb if you're enterprise-track, Metronome-inside-Stripe if you're all-in on Stripe rails, Lago if you must self-host. Prepaid credits with threshold billing are the 2026 default for controlling fraud and runaway spend." }, { "if": "You want agents to buy from you \u2014 or your agent to buy things", "then": "Implement ACP product feeds + Stripe Shared Payment Tokens today (that's the only rail live in ChatGPT), support x402 for machine-to-machine API payments, and watch AP2 \u2014 but don't bet the stack on any protocol yet; even Stripe puts the industry at level 1\u20132 of 5." } ], "field": [ { "name": "Metronome", "maker": "Stripe (acquired Dec 3, 2025)", "note": "The usage-billing layer behind OpenAI, Anthropic, NVIDIA, Confluent \u2014 now Stripe's usage-billing product; site still runs standalone with 0.8%-of-billings pricing", "url": "https://metronome.com", "oss": false, "entry": "0.8% of billings", "status": "acquired" }, { "name": "Lemon Squeezy", "maker": "Stripe (acquired Jul 2024)", "note": "The indie-MoR darling; re-platformed onto Stripe Managed Payments Jan 28, 2026 \u2014 still open for signups, now effectively Stripe's MoR front door", "url": "https://www.lemonsqueezy.com", "oss": false, "entry": "MoR % per sale", "status": "acquired" }, { "name": "m3ter", "maker": "Salesforce (acquired)", "note": "Usage-metering-and-rating layer for B2B SaaS, now 'm3ter from Salesforce' \u2014 aimed at Salesforce/NetSuite revenue stacks, not startups", "url": "https://m3ter.com", "oss": false, "entry": "custom", "status": "acquired" }, { "name": "OpenMeter", "maker": "Kong (acquired)", "note": "Open-source usage metering (Apache-2.0) for token/API billing; managed version lives on as Kong Konnect Metering & Billing", "url": "https://openmeter.io", "oss": true, "entry": "free self-host", "status": "acquired" }, { "name": "Creem", "maker": "Armitage Labs (Estonia)", "note": "Flat 3.9% + 40\u00a2 MoR 'built for the AI era' \u2014 MCP server, AI-ready docs, 3,000+ teams; the indie-hacker favorite post-Lemon Squeezy", "url": "https://www.creem.io", "oss": false, "entry": "3.9% + 40\u00a2", "status": "active" }, { "name": "Dodo Payments", "maker": "Dodo Payments", "note": "MoR for AI-first companies \u2014 credits, usage metering, 220+ countries, 4% + 40\u00a2; backed by a16z, Lightspeed, Visa", "url": "https://dodopayments.com", "oss": false, "entry": "4% + 40\u00a2", "status": "active" }, { "name": "Autumn", "maker": "Autumn (YC)", "note": "'The API for plans, usage and AI credits' \u2014 drop-in pricing layer over Stripe used by Mintlify, Firecrawl, Browser Use", "url": "https://useautumn.com", "oss": true, "entry": "free tier", "status": "active" }, { "name": "Paid", "maker": "Paid.ai", "note": "Monetization built for AI agents \u2014 outcome/credit pricing, per-agent margin tracking, 'customer value receipts'; enterprise sales motion", "url": "https://paid.ai", "oss": false, "entry": "custom", "status": "active" }, { "name": "Schematic", "maker": "Schematic", "note": "Entitlements, metering, and plan management over Stripe \u2014 pricing changes without code; Stripe Verified Partner", "url": "https://schematichq.com", "oss": false, "entry": "free tier", "status": "active" }, { "name": "Chargebee", "maker": "Chargebee", "note": "Subscription-billing incumbent, now with token/credit AI billing; free to $250K cumulative then 0.75%, Performance $7,188/yr", "url": "https://www.chargebee.com/pricing/", "oss": false, "entry": "free \u2192 0.75%", "status": "active" }, { "name": "Zuora", "maker": "Silver Lake / GIC (private, 2025)", "note": "The enterprise subscription-billing pioneer, taken private Feb 2025 \u2014 legacy weight, not a startup pick", "url": "https://www.zuora.com", "oss": false, "entry": "enterprise custom", "status": "active" }, { "name": "FastSpring", "maker": "FastSpring", "note": "The veteran MoR for software/games \u2014 solid, unfashionable, still shipping", "url": "https://fastspring.com", "oss": false, "entry": "MoR % per sale", "status": "active" }, { "name": "Gumroad", "maker": "Gumroad", "note": "Creator commerce with an open-sourced core (9.5k stars); $2.26M/wk creator earnings claimed \u2014 for selling files and courses, not running a SaaS", "url": "https://gumroad.com", "oss": true, "entry": "% per sale", "status": "active" }, { "name": "RevenueCat", "maker": "RevenueCat", "note": "Mobile IAP infrastructure, expanded to web billing \u2014 free to $2.5K monthly tracked revenue, then 1% of MTR; the bridge across the Apple tax", "url": "https://www.revenuecat.com/pricing", "oss": false, "entry": "free \u2192 1% MTR", "status": "active" }, { "name": "PayPal / Braintree", "maker": "PayPal", "note": "The non-Stripe processor path plus consumer wallet reach; pushing its own agentic-commerce toolkit \u2014 add as a payment method, not a platform", "url": "https://www.paypal.com", "oss": false, "entry": "~2.9% + 30\u00a2", "status": "active" }, { "name": "Adyen", "maker": "Adyen N.V.", "note": "Enterprise processor that bought Orb (Jul 2026) and joined AP2 \u2014 the platform bet against Stripe at scale, irrelevant below ~$50M volume", "url": "https://www.adyen.com", "oss": false, "entry": "interchange++", "status": "active" }, { "name": "Skyfire", "maker": "Skyfire Systems", "note": "'Agent trust stack' \u2014 Know-Your-Agent identity tokens + agent wallets on Visa/Mastercard/USDC rails; frontier infra, pre-standard", "url": "https://skyfire.xyz", "oss": false, "entry": "custom", "status": "active" }, { "name": "x402", "maker": "x402 Foundation (Linux Foundation; Coinbase-originated)", "note": "HTTP-402 machine-payment standard \u2014 75.4M transactions/$24.2M volume in the last 30 days (self-reported, Aug 2026); Stripe, AWS, Cloudflare, Vercel among members", "url": "https://www.x402.org", "oss": true, "entry": "protocol (free)", "status": "active" }, { "name": "AP2 (Agent Payments Protocol)", "maker": "Google \u2192 FIDO Alliance", "note": "Mandate-based agent-payment authorization with 60+ partners (Mastercard, PayPal, Adyen, Coinbase); v0.2, standardizing via FIDO \u2014 spec momentum, thin production volume", "url": "https://ap2-protocol.org", "oss": true, "entry": "protocol (free)", "status": "active" }, { "name": "ACP (Agentic Commerce Protocol)", "maker": "Stripe + OpenAI (Apache-2.0)", "note": "The protocol behind ChatGPT Instant Checkout \u2014 product feeds + delegated checkout + Shared Payment Tokens; the only agent-commerce rail with mainstream consumer volume", "url": "https://www.agenticcommerce.dev", "oss": true, "entry": "protocol (free)", "status": "active" } ], "signals": [ { "fact": "Stripe processed $1.9T in 2025 (+34% YoY, ~1.6% of global GDP); startups hitting $10M ARR within three months doubled YoY; Feb 2026 tender valued Stripe at $159B (+70%)", "src": "https://stripe.com/annual-updates/2025" }, { "fact": "Independent usage billing got rolled up in under a year: Metronome \u2192 Stripe (Dec 3, 2025), Orb \u2192 Adyen (closed Jul 1, 2026), m3ter \u2192 Salesforce, OpenMeter \u2192 Kong \u2014 Lago is the last major independent", "src": "https://www.withorb.com/blog/orb-next-chapter" }, { "fact": "Three agent-payment protocols are racing: ACP (Stripe+OpenAI, live in ChatGPT Instant Checkout since Sep 2025), AP2 (Google, 60+ partners, now under FIDO), x402 (Linux Foundation; 75.4M transactions and $24.2M volume in 30 days, self-reported Aug 2026)", "src": "https://www.x402.org" }, { "fact": "Stripe's Revenue (billing) suite is on track for a $1B annual run-rate \u2014 billing software is now a unicorn-scale line item inside a processor", "src": "https://stripe.com/annual-updates/2025" }, { "fact": "Merchant-of-record went mainstream in 2026: Stripe launched Managed Payments (+3.5%) and re-platformed Lemon Squeezy onto it (Jan 28, 2026); Paddle passed 10,000 businesses and powers Lovable Payments", "src": "https://www.lemonsqueezy.com/blog" }, { "fact": "Even Stripe places agentic commerce at 'level 1\u20132 of 5' maturity (2025 annual letter) \u2014 early adopters are retail brands (Etsy, Urban Outfitters, Coach), not yet the long tail", "src": "https://stripe.com/annual-updates/2025" } ], "notes": "Ranking criteria: time-to-first-dollar, fit for usage/credit/AI pricing, global tax exposure, agent-readiness, and lock-in cost \u2014 editorial, no affiliate consideration. The MoR debate resolved honestly: an MoR (Polar/Paddle/Creem/Dodo, or Stripe's own Managed Payments) charges 1\u20132.5 points over raw processing to take tax and chargeback liability off you; below ~$500K revenue that trade is almost always right, and Stripe now plays both sides of it. Conflict resolved: metronome.com still presents as independent with its own 0.8%-of-billings pricing, but Wikipedia (Dec 3, 2025 acquisition) and Stripe's own pricing page (Metronome startup tier) confirm Stripe ownership \u2014 we report it as acquired-and-operating. Orb\u2013Adyen terms are undisclosed; only the Jul 1, 2026 close date is from Orb's own post. x402's 30-day volume figures are self-reported dashboard numbers \u2014 directionally real, not audited. Paddle's '190M transactions' homepage stat is undated. Weak-source flags: FastSpring, Zuora, and PayPal entries rest partly on pre-2026 knowledge plus live-site checks. Adjacent elements: Stripe Atlas incorporation \u2192 In \u00b7 Incorporation; Mercury/Brex/Ramp \u2192 Bk \u00b7 Banking; bookkeeping and revenue recognition \u2192 Ac \u00b7 Accounting; Lovable itself \u2192 Vb \u00b7 Vibe Builder; CRM handoff of paid accounts \u2192 Cr \u00b7 CRM. Stablecoin rails (Bridge, Privy \u2014 both Stripe-owned) are deliberately footnoted here: they matter to agent payments but aren't how a startup charges its first customer.", "sources": [ "https://stripe.com/pricing", "https://stripe.com/annual-updates/2025", "https://docs.stripe.com/agentic-commerce", "https://en.wikipedia.org/wiki/Stripe,_Inc.", "https://www.paddle.com/pricing", "https://www.paddle.com", "https://polar.sh", "https://polar.sh/blog", "https://github.com/polarsource/polar", "https://www.withorb.com/pricing", "https://www.withorb.com/blog/orb-next-chapter", "https://www.getlago.com/pricing", "https://github.com/getlago/lago", "https://metronome.com/pricing", "https://www.agenticcommerce.dev", "https://ap2-protocol.org", "https://cloud.google.com/blog/products/ai-machine-learning/announcing-agents-to-payments-ap2-protocol", "https://www.x402.org", "https://www.lemonsqueezy.com/blog", "https://www.creem.io", "https://dodopayments.com", "https://useautumn.com", "https://paid.ai", "https://www.revenuecat.com/pricing", "https://www.chargebee.com/pricing/", "https://openmeter.io", "https://m3ter.com", "https://skyfire.xyz" ], "element": { "number": 34, "name": "Payments", "group": "Sales & Revenue", "essential": true, "edition": "v2026.Q3", "revision": "r7", "license": "CC BY 4.0 \u2014 cite elems.ai", "url": "https://elems.ai/e/pa.html" } }