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This is the second post in the series about Project X updates in Q3 and Q4 2023. We reworked the checkout page to present product pricing more clearly. Compare before: and after: In the new version, the “Pricing” section has become a primary information block that gives…

Intro During Q3 and Q4 2023 Project X has got many significant updates that help you monetize your API products. In the series of posts we will share with you the most important ones. With Project X API checkout pages you can easily set up a checkout page where…

Project X gives you an unparalleled degree of freedom in modeling your API products. True flexibility that goes far beyond the usual “Pay per number of calls”: credit-based pricing models, API bundles, different prices per endpoints, no-code configuration of premium features and more. No other solution…

Automated payment collection From now on, Project X will collect all recurring payments for API subscriptions automatically. Your customers need to pay the first invoice manually to set up payment method for automatic payment collection. After that, all invoices will be settled automatically in the background, creating…

API Checkout Links — a unique product offered by Project X allowing you to instantly set up a checkout page for your API products without any coding. Just create a checkout link for your API product and get a beautiful checkout page where your customers can subscribe to…

Intro If you’re not a big fan of writing boilerplate code, you might find interesting the approach we’ve taken at Project X to help API providers monetize their APIs. It combines a custom-built billing engine designed specially for API use-cases, a smart API gateway capable of automatic…

Problem In most cases, API pricing models imply that each call to a paid endpoint is billed. However, there are scenarios when you’d like to charge your API consumer only for the first call. One example could be an endpoint that performs computations upon first…

Bringing a new API product to the market can be challenging in many ways. One of the most time-consuming tasks in this process is implementing API monetization. User registration, authentication, subscription management, subscription plans, limit enforcement, premium features, usage metering, billing, invoicing, payment collection… In…

Overview A credit-based pricing model, otherwise known as internal or virtual currency, is widely adopted in “Swiss Army Knife”-kind of API products that provide a rich set of APIs for many applications. If you’re an API developer or considering developing an API and making money…

With plain Pay-as-you-go API subscription plan, it’s easy for the customer to end up in a situation like on the following invoice: The customer is subscribed to a plan with a soft quota of 1000 calls per month. “Soft quota” means that the limit serves purely…

With Project X API Monetization you can instantly turn an API into a product, deliver it to customers and get paid. Project X will onboard your customers, ensure that all subscription limits are met, collect payments and issue invoices. Flexible pricing engine allows API vendors to implement…

Preface Project X is easy to use. You add an API, create a subscription plan for it, and let your customers use the API according to the plan. Project X engine is extremely versatile. Each subscription plan allows to impose quotas and rate limits on one or a…

Project X has got a new feature: importing OpenAPI files. Now, instead of describing APIs and endpoints manually, you can simply upload your API definition file and have your API set up immediately, with all endpoints. The feature supports JSON and YAML file formats. Register now…

For an API vendor, in order to serve as many customers as possible, it’s crucial to be able to implement custom contractual terms. Sometimes a customer needs to increase a limit, to enable some premium feature, etc. In other words, the customer needs a subscription…

Overview Google’s Text-to-Speech API is priced based on the number of characters sent to the API to be synthesized into audio each month. Let’s take a look at their pricing table: There are three features (basically, three types of voices), each billed separately. A free tier…