Alternatives
Products that do what Credit-to-currency conversion controls for wallet-based billing does
If you sell credits or tokens, at some point someone asks: “What is one credit actually worth?” We shipped explicit Wallet Conversion Rate controls in Flexprice to answer that cleanly. Each wallet can now define: • conversion_rate — how credits map to currency when spending • topup_conversion_rate — optional rate used only when adding credits This supports use cases like promotional top-ups, bonus credits, or discounted purchases while keeping invoice calculations consistent. Wallets store credits.Invoices remain in a single base currency. Conversion defines the relationship between the two.…
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Hi HN, working in the monetization field, we kept seeing the same problem. Product teams want to price in credits or tokens. Finance wants clean USD accounting. Engineering ends up stitching conversion logic across services, and over time rounding errors, inconsistent invoices, and reconciliation headaches creep in. So we added Custom Pricing Units to Flexprice! You can now define your own unit (e.g. CRD), attach a conversion rate to a base currency (like USD), and use that unit across plans, recurring charges, usage pricing, and wallets. Customers see and are charged in credits. Flexprice…
Feb 2026 · flexprice.io
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Fast and easy to use currency and units converter
2017
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Hey HN, I’am Koshima, co-founder of Flexprice (https://flexprice.io/). Flexprice is an open source monetization platform for AI & Agentic companies. You can build usage-based, credit-based, or hybrid pricing models with full control. Usage-based billing works on paper, but breaks fast in production: (1) High-volume data (e.g., 10k API calls/sec from AI inferences) breaks naive pipelines, dropping events and causing underbilling or customer complaints. (2) Backfilling missing events or retroactive discounts screws up invoices, forcing 3 AM log stitching to avoid revenue…
2025
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Hi HN, We just shipped a Nomod integration in Flexprice. For context, flexprice is an open-source billing system that handles invoices, usage, and credit wallets. One gap we wanted to close was supporting region-specific payment providers without breaking billing state. With this integration: - Invoices finalized in Flexprice can be synced to Nomod - A hosted Nomod payment link is generated for the invoice - Payment status updates flow back into Flexprice - Invoices and payment records stay in sync - Credits (if applicable) are applied only after payment succeeds This keeps billing logic…
Jan 2026
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