A curated guide to building, prompting, and integrating custom GPTs for creative and marketing professionals.
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Updated
Jul 16, 2025
A curated guide to building, prompting, and integrating custom GPTs for creative and marketing professionals.
AppsFlyer — independent third-party profile of a public API surface, by API Evangelist. AppsFlyer is a mobile marketing analytics and attribution platform used by app marketers to measure, attribute and optimize user acquisition across mobile, web, CTV, console and PC. Its developer surface spans mobile and platform SDKs (iOS, Android, Unity, React
A modern Bangladeshi advertising network connecting advertisers with quality publisher websites through Static, Sticky, Pop-in, and Full Page display ads.
Generate high-quality, professional banner ads in standard sizes using product descriptions and URLs. Powered by Gemini 2.5 Flash.
Web-based campaign data management, ETL pipeline, and reporting platform with H-Script — a built-in scripting language for client-specific data pipelines
Pitch-ready creative package for any screen format: screenplay, music video, or ad campaign. Four entry points, same standard.
MightyHive — independent third-party profile of a public API surface, by API Evangelist. MightyHive was a data and digital media consultancy that helped brands take control of their programmatic advertising, media buying, data strategy, and marketing technology. Founded as an independent programmatic trading and media consultancy, it was acquired b
Firefly — independent third-party profile of a public API surface, by API Evangelist. Firefly Systems Inc. is a data-first moving out-of-home (mOOH) advertising network that turns taxis, rideshare vehicles, and other mobility assets into digital and static advertising surfaces across 15+ major North American markets and several countries.
Sinclair, Inc. — independent third-party profile of a public API surface, by API Evangelist. Sinclair, Inc. (Nasdaq: SBGI), formerly Sinclair Broadcast Group, is a diversified media company and one of the largest U.S. local television broadcasters. The company operates 177-185+ TV stations across roughly 79-86 markets affiliated with all major broa
Buysight — independent third-party profile of a public API surface, by API Evangelist. Buysight, Inc. was a Silicon Valley advertising technology startup founded in 2008 that built intent-based audience targeting, retargeting, and Dynamic Creative Optimization (DCO) for display advertising, using machine learning to select both the audience for an
Downstream — independent third-party profile of a public API surface, by API Evangelist. Downstream Impact Inc. was a Seattle-based SaaS platform that helped brands optimize and automate their Amazon advertising, founded in late 2017 by ex-Amazon marketer Connor Folley and ex-AWS engineer Salim Hamed.
Jump Ramp Games — independent third-party profile of a public API surface, by API Evangelist. Jump Ramp Games was a New York City casual mobile gaming company best known for Lucktastic, a free scratch-card, rewards, and instant-win app that launched on Android in 2014 and grew to roughly 10 million US installs across Android and iOS, consistently r
Mediaspectrum — independent third-party profile of a public API surface, by API Evangelist. Mediaspectrum is a cloud-based SaaS provider of multichannel advertising, content management, and publishing software for media companies and publishers. Founded in 2001 and headquartered in Miami, its platform manages the full advertising lifecycle -- propo
Inspect, parse, and validate sellers.json data in Chrome with fast in-page verification and clear inventory metadata views
Pixis — independent third-party profile of a public API surface, by API Evangelist. Pixis is an AI-powered advertising and marketing platform for consumer brands, built on proprietary codeless AI infrastructure that plans, creates, and optimizes digital advertising across channels.
Clicktivated — independent third-party profile of a public API surface, by API Evangelist. Clicktivated is a video technology platform that turns existing video content into interactive, shoppable experiences without re-shooting or re-editing. Its "Activate, Distribute, Optimize" workflow makes any video clickable the same day, deploys it programma
Covatic — independent third-party profile of a public API surface, by API Evangelist. Covatic is a UK-based, B Corp certified advertising technology company providing privacy-preserving audience intelligence and addressability for media owners, broadcasters, publishers, and advertisers.
Anonym — independent third-party profile of a public API surface, by API Evangelist. Anonym is a privacy-preserving advertising technology platform now operated by Mozilla, sitting between advertisers and major publishers to measure and optimize ad performance without exposing individual user data.
Teads — independent third-party profile of a public API surface, by API Evangelist. Teads is an omnichannel advertising technology platform (combined with Outbrain since 2024) that helps brands reach audiences across video, display, CTV, and conversational surfaces on 10,000+ premium publisher properties in 50+ markets.
Pinoffer — independent third-party profile of a public API surface, by API Evangelist. Pinoffer is the API Evangelist network profile for Converted (convertedin.com), a MENA-focused adtech and martech "unified growth platform" operating across Egypt, Saudi Arabia, and the UAE.
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