NutriGraphAPI
The Developer-First Nutrition & Barcode Graph API
What is NutriGraphAPI?
NutriGraphAPI is a high-performance food and nutrition data API designed for developers building fitness, diet, and grocery applications. Unlike crowdsourced databases with missing or inaccurate macros, NutriGraphAPI enforces strict on-pack provenance: every ingredient, micronutrient, allergen, and attribute is extracted directly from physical manufacturer packaging. Includes comprehensive barcode lookup, nutrition graph relationships, and sub-100ms latency.
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FounderPlaybooks.
What other founders did to grow.
2722 dispatches from hundreds of founders, pulled from the week's best podcasts.
You can't ask users directly how much they'd pay — they'll give you a lower price. Van Westendorp asks four questions around expensive, starting to be a bargain, inexpensive, and too cheap — generating intersection points that give you an optimal price range. Run this before the A/B test. Conjoint analysis helps you find which features drive willingness to pay per segment.
Run Van Westendorp before A/B price tests — map willingness-to-pay range before spending test budget
Jumping straight to an A/B price test risks testing the wrong range entirely. Van Westendorp's four-question framework maps willingness-to-pay without anchoring bias. Carter adds conjoint analysis to identify marginal value by feature. For a South American edtech client, survey research revealed the Pro-tier's marginal value was near zero — a packaging redesign that would have been invisible to a pure A/B test.
Go look at the one and two star reviews and see what people are complaining about. See what they dislike about the best players in the market. That's our twist. Our twist is what people dislike about the biggest companies in the space because those are the easiest customers to go after and acquire.
Skip Invention And Differentiate By Mining The One- And Two-Star Reviews Of The Market Leader
Will's framework starts with markets that already have product-market fit, then differentiates by mining one- and two-star reviews of the dominant player. Signaturely beat DocuSign by being 'so easy to use your grandmother could use it,' targeting the exact complaints incumbents ignored. The frustrated reviewers become your easiest customers.
There's a play for whatever you're stuck on.
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