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Best prompts for Instagram Captions for product promos using customer testimonials
12 copy-ready prompts to generate Instagram captions that leverage real customer testimonials to promote products. Each entry includes a precise instruction, a short explanation, and a realistic example caption you can use or adapt. Works best with the listed AI models.
Claude Opus 4
Claude Sonnet 4
Gemini 2.5 Pro
GPT-5
Gemini 2.5 Flash
You know that moment when you're staring at a blank Instagram caption box, trying to figure out how to turn your amazing customer testimonials into posts that actually sell? You've got these incredible reviews sitting in your inbox, but every time you try to craft them into engaging captions, they either sound too salesy or completely miss the mark. The struggle is real when you want to showcase social proof without sounding like every other brand desperately pushing products.
These 12 ready-to-use prompts transform your customer testimonials into conversion-focused Instagram captions that feel authentic and drive sales. From punchy 150-character quotes with clear CTAs to story-driven carousel openers and hashtag-optimized posts, each prompt gives you the exact framework to turn real customer experiences into compelling content. Instead of wrestling with writer's block or posting bland testimonial screenshots, you'll have a complete toolkit that helps you leverage social proof strategically across every type of Instagram post format.
1
Short quote + CTA (150 characters)
Write an Instagram caption ≤150 characters that features a customer quote in quotation marks, includes the product name, one clear benefit, and a direct CTA (e.g., Shop now, Link in bio). Keep tone upbeat and add one relevant emoji.
Create a short caption that includes a customer quote, product name, one benefit, and a direct call-to-action within ~150 characters.
2
Carousel opener with testimonial highlight
Create a carousel-opening Instagram caption that teases a 3-slide testimonial story: include a 1-line hook with the customer quote, product name, 2 benefits, and an instruction to swipe (e.g., Swipe to see how). Tone: authentic and inviting.
Caption for the first slide of a carousel that teases the testimonial story, mentions the product, and instructs users to swipe to read the full review.
3
Reel hook from a testimonial
Write a Reel caption that starts with a powerful 3–6 word testimonial quote, names the product, states a measurable result (e.g., 30% brighter), includes a CTA (watch/try), and ends with two targeted hashtags.
Caption optimized for a short Reel: a punchy testimonial quote as the hook, mention product and one measurable result, plus a quick CTA and 2 hashtags.
4
Limited-time promo + customer result
Generate an Instagram caption that includes a short testimonial sentence, the product name, a limited-time discount (e.g., 20% off — ends Sunday), urgency language, and a CTA (Shop link in bio). Use energetic tone.
Caption for a time-limited sale that combines a testimonial line, the discount, urgency, and a CTA. Keep it persuasive and concise.
5
Before & after testimonial caption
Write a caption for a before/after post: start with a customer quote describing their starting problem, mention the product and two steps they used, describe the result in one sentence, then add a CTA (e.g., Try for yourself). Friendly, believable tone.
Caption to accompany a before/after photo that quotes the customer describing the transformation, highlights product features used, and includes a short CTA.
6
Feature-first caption with customer endorsement
Create a caption that leads with one standout feature (e.g., 'Ultra-light fabric'), follows with a one-line customer endorsement that confirms the feature, explains the benefit, and ends with a CTA and three hashtags.
Start with a key product feature, then show a short customer line that validates it, and finish with a benefit-focused CTA and 3 relevant hashtags.
7
FAQ-style caption using a testimonial
Produce an Instagram caption in FAQ format: include a short question buyers ask, answer it briefly using a customer testimonial quote as proof, and finish with a CTA and one related emoji.
Write an FAQ-style caption that answers a common buyer question using a customer quote as evidence, then provide a CTA and one emoji.
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Twitter Videos
Facebook/Meta Ads
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