What if the customer only gave a short quote?

Use step 1 to run a quick interview that surfaces the before, the change, and the after. A few good questions turn a one-liner into a full story with numbers.

What if there are no hard metrics?

Lead with the transformation and use qualitative proof (time saved, stress removed, confidence gained). Ask for a directional number even if it is an estimate.

How do I reuse a case study?

Step 4 repurposes it into a one-page PDF, website snippet, sales-email proof line, and social posts — one interview fuels many assets.

Turn Customer Wins into Case Studies in 4 Prompts for B2B Marketers

4 prompts· Intermediate· 25 minutes

To turn a customer win into a case study, run these four prompts: prepare interview questions that surface a story, structure the raw notes into a narrative, write the full case study with metrics, then repurpose it into a one-pager and social proof snippets. Enter your product, customer, and result below and copy each prompt into ChatGPT.

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Customize these prompts for you

Fill these in and every prompt below updates instantly — then copy.

Your product / service

The customer / their business

The result they achieved

The 4 prompts

Prompt 1 of 4

Prepare the interview

Questions that surface a real story.

The prompt

Act as a B2B case study writer. My product is [Your product / service], the customer is [The customer / their business], and they achieved [The result they achieved].

Write 10 interview questions that surface a compelling before/after story: the problem before, what they tried, why they chose us, the rollout, and the measurable outcome.

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Pro tip: Ask "what was it costing you before?" — the pain quantifies the value of the result.

Prompt 2 of 4

Structure the story

Shape raw notes into a narrative arc.

The prompt

Here are my raw interview notes: [NOTES].

Structure them into a case study arc for [The customer / their business] using [Your product / service]: Challenge → Solution → Implementation → Results ([The result they achieved]). Flag any gaps where I should get a quote or a number.

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Pro tip: Paste your real notes into [NOTES]. A clear challenge makes the result feel earned and believable.

Prompt 3 of 4

Write the case study

The full, publishable piece.

The prompt

Write the full case study for [The customer / their business] achieving [The result they achieved] with [Your product / service]: a headline with the metric, a summary box (challenge/solution/results), the narrative sections, 2 pull-quotes, and a CTA. Credible and specific, not hypey.

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Pro tip: Put the headline metric front and centre — skimmers should get the win in two seconds.

Prompt 4 of 4

Repurpose the proof

Turn one story into many assets.

The prompt

From the [The customer / their business] case study, create: a one-page summary (for sales), a short website testimonial block, a proof line I can drop into cold emails, and 3 social posts highlighting [The result they achieved] with [Your product / service].

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Pro tip: Give sales the one-pager and the email proof line — proof used in conversations closes deals.

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Tools you’ll need for this workflow

Everything below works with these 2 tools. Affiliate links — they support this site at no cost to you.

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Frequently asked questions

: Use step 1 to run a quick interview that surfaces the before, the change, and the after. A few good questions turn a one-liner into a full story with numbers.