As AI shopping assistants become common, someone still has to actually complete the purchase — CartAI is the piece that lets an AI agent finish checkout on a store's website without the merchant building a custom integration first.
cartai.ai
Alternatives to
Kelviq
Best alternatives to Kelviq in 2026
Selling software worldwide means dealing with sales tax rules in over a hundred countries, currency conversion, fraud, and — for AI products — figuring out how to bill per token or per API call. Kelviq packages all of that into one service a company plugs in instead of building in-house. Kelviq is a merchant-of-record (MoR) billing platform for SaaS and AI companies, bundling payments, checkout, global tax compliance (VAT/GST across 100+ countries), subscriptions, real-time usage metering (API calls, AI tokens, compute units), license keys, digital delivery, and dynamic feature entitlements into a single system with typed SDKs (TypeScript, React, Node, Python). As MoR, Kelviq assumes legal liability for tax and regulatory compliance across the markets it serves.
Quick comparison of Kelviq alternatives
| # | Tool | Best for | Price |
|---|---|---|---|
| 1 | Développeurs qui construisent des agents IA d'achat autonome pour le compte d'utilisateurs ou d'entreprises | — | |
| 2 | Finance/back-office teams at mid-size to large companies with meaningful AP/AR volume, especially in markets where WhatsApp is a common business channel | — | |
| 3 | Technical SaaS teams wanting a self-hostable, vendor-lock-in-free billing and subscription engine | — | |
| 4 | Finance teams (controllers, FP&A, CFOs) at mid-to-large organizations running major ERPs | — | |
| 5 | Vertical SaaS platforms and their developers wanting to embed payment processing | — | |
| 6 | Developers building autonomous AI agents that need to make purchases | AI coding assistant users | — | |
| 7 | Entreprises avec une API existante et une passerelle en place voulant ajouter monétisation et portail développeur sans tout reconstruire | — | |
| 8 | Engineering, product and finance teams at AI-native companies and usage-based SaaS businesses | — | |
| 9 | AI-native companies and SaaS platforms billing customers on usage, needing real-time metering and LLM cost visibility | — | |
| 10 | Fintechs, neobanks, credit unions, investment platforms and marketplaces needing embedded banking (accounts, cards, payments) without becoming a bank | — | |
| 11 | Finance teams, controllers, and accountants at growth-stage companies | Marketplaces, gig-economy platforms, insurance, real estate and logistics needing vendor payouts | — | |
| 12 | SaaS and AI/infrastructure companies with complex or metered pricing | Finance and engineering teams needing revenue recognition automation | — |
#1
- ✓ Trois modes d'intégration flexibles
- ✓ Respecte les systèmes anti-bot des marchands
#2
Software that automates the back-and-forth of getting invoices paid and bills approved, using AI agents instead of a finance team chasing emails.
peakflo.co
- ✓ Multi-channel agent contact (WhatsApp/Slack/voice, not just email)
- ✓ One-click ERP integrations
#3
Open-source billing software that handles subscriptions, usage-based pricing and invoicing for a SaaS company, without locking you into a vendor.
meteroid.com
- ✓ Fully open-source, free to self-host
- ✓ Supports complex matrix/hybrid pricing
#4
An agentic AI platform that automates finance workflows like month-end close, accounts payable, and accounts receivable directly inside your existing ERP.
chatfin.ai
- ✓ Native ERP integration, no CSV exports
- ✓ Automates the full spend lifecycle
#5
Payment processing that a software company can build directly into its own product — so instead of sending customers to a separate checkout page, the SaaS platform itself handles the payment and keeps a cut.
rainforestpay.com
- ✓ Purpose-built payfac architecture, faster onboarding
- ✓ Transparent, published per-transaction pricing
#6
Issues single-use virtual Visa cards for AI agents, so an agent can autonomously pay for something within a strict spending limit that closes automatically after one charge.
agentcard.sh
- ✓ Hard-capped, self-closing cards concretely bound an agent's financial risk
- ✓ Native MCP integration with Claude and similar agent tools
#7
A ready-made storefront and billing layer that sits on top of your existing API gateway, so external developers can discover, sign up for, and pay to use your APIs without your team building that portal from scratch.
apiable.io
- ✓ S'intègre aux passerelles API déjà en place, pas de remplacement nécessaire
- ✓ Certifié AWS Well-Architected, présent sur AWS Marketplace
#8
Open-source billing engine for usage-based and AI/agent pricing, with real-time metering, credits and automatic invoicing.
flexprice.io
- ✓ Open source and self-hostable, not locked to a closed SaaS
- ✓ Fast real-time metering (sub-60ms at high volume)
#9
Real-time usage metering and billing platform that tracks AI/API costs and turns them into invoices, budgets and cost controls.
amberflo.io
- ✓ Real-time usage metering instead of end-of-period reconciliation
- ✓ Built-in AI cost tracking across 1,500+ LLM models
#10
Banking-as-a-service API connecting fintechs and platforms to a network of US sponsor banks, for launching accounts, cards and payments without becoming a bank.
treasuryprime.com
- ✓ Multi-bank network avoids lock-in to a single sponsor bank relationship
- ✓ Unified API for accounts, cards, ACH, wire and real-time payments
#11
Accounts-payable automation and mass-payout platform with a developer API, handling vendor payments, invoice OCR, and tax forms at volume.
routable.com
- ✓ AI invoice OCR and auto-coding cuts manual AP work significantly
- ✓ Wide currency and country coverage for global vendor payouts
#12
Developer-first usage-based billing platform with SQL-defined pricing metrics, built for SaaS and AI companies with complex or metered pricing.
withorb.com
- ✓ SQL-based pricing metrics handle genuinely complex usage-based pricing
- ✓ Processes over 1M billing events/second at real infra scale
FAQ about Kelviq alternatives
- What is the best alternative to Kelviq in 2026?
- Based on our selection, CartAI is the best alternative to Kelviq in 2026. As AI shopping assistants become common, someone still has to actually complete the purchase — CartAI is the piece that lets an AI agent finish checkout on a store's website without the merchant building a custom integration first.. See our full ranking above to compare all options.
- Is Kelviq free?
- Kelviq is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to Kelviq are there?
- mySelectas has listed 12 alternatives to Kelviq in the Payments, Billing & Ops category. Our selection is updated regularly to include the best options available.