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Time to value

As explained in Automating API Delivery

Time to value is the elapsed time until an API user completes a business transaction representing significant value.

Time to value (TTV) measures the elapsed time until an API user completes a business transaction representing significant value. Unlike Time to First Transaction, it may require multiple API calls rather than merely one production request. section 11.1.3

E-commerce transaction

For an e-commerce API, TTV can measure how long it takes a user to use the APIs to place orders exceeding a defined average order size. section 11.1.3

Use TTV to distinguish initial API access from meaningful business adoption:

  • Time to First Transaction measures the time until a user makes a first production API call. section 11.1.3
  • Time to Value measures the time until the user completes a significant business transaction, potentially across multiple API calls. section 11.1.3

How Automating API Delivery covers it

How deep it goes
Defines the metric and distinguishes it from first-call measurement, but does not specify instrumentation or calculation procedures.
Examples
Uses e-commerce orders exceeding a defined average order size as a value-defining transaction.
What it assumes
Assumes a defined business transaction that represents significant value for the API user.
What you can do after
Evaluate API adoption by distinguishing initial production access from completion of a meaningful business transaction.
How it connects
Connects Time to First Transaction with API retention metrics and API experience metrics.
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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Automating API Delivery. The section links point to the parts of the book it draws on.