WhatsApp API by Retention Stack

Reviewed matches are labeled. Other suggestions come from a shared subcategory, use case, source listing or the same category. Compare features and current plans before choosing.

Product
textbee.dev - sms gateway Your old Android is a free SMS API. Seriously.
SinglebaseCloud AI-powered backend platform with Vector DB, Document DB, Auth.
Nolxy Manage APIs with rate limiting and analytics
Our SMS Send Bulk SMS, OTP & SMS API for businesses in Saudi Arabia
PufferPost Transactional email that sends
MailChannels Transactional email API for platforms that send on behalf of others. Every customer, tenant, and AI agent gets its own sending identity, rate limits, and suspension path, so one compromised sender never takes down your a
EasySendSMS Global SMS API & Enterprise SMS Gateway for OTP, Marketing & Transactional Messaging.
Mandrill Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.

Selected by category and available use-case details. A topic match does not establish equivalent features.

Product
NeuralHub The unified AI Gateway and GPU platform for developers
Tablr The AI-native backend platform for makers and startups
Mailblock Transactional email sdk for developers
Defapi - Affordable AI API Gateway Affordable AI API gateway - cheap access to OpenAI, Anthropi
Sendmator Customer Communication Orchestration for Scaling Startups
callio One gateway for every API your agents need

Added to this directory in the past 30 days. Dates refer to the directory listing, not the product launch.

Product
AI Prime Tech API access for coding tools and AI applications
WisGate Unified API for AI models
APIKO AI API APIKO AI API is an AI API gateway for developers.
Zuplo The API Gateway reinvented for engineers. Launch your B2B API in record time

Profiles grouped by topic. This does not confirm an offer, availability or a connection to this profile.

Profile
James NoCode YouTube · 57K subscribers
NoCode AI Builders YouTube · 13K subscribers
NeuSource Startup Minds 🎯 NeuSource के साथ करें अपने नए बिज़नेस की शानदार शुरुआत ⬇️

Shows and channels grouped by topic. A recommendation does not mean this profile was featured or endorsed.

Show
Gareth Pronovost | Build Without Code YouTube · 42K subscribers
PlanetNoCode YouTube · 36K subscribers
Glide YouTube · 31K subscribers

Retold founder accounts from startups in the same category, each linked to the original.

Story
Tuple: building a business around the details of working together Ben Orenstein and his cofounders built a specialized pairing tool, then learned how growth changes the demands on reliability, design and the team behind a product.
How Bugfender turned an agency's debugging problem into a product business Jordi Giménez, Aleix Ventayol, and Stefan Klumpp built Bugfender after repeatedly struggling to diagnose problems on other people's phones. Turning their internal tool into a business required learning distribution, cont
How Auvik made the overlooked work of network management its starting point Marc Morin, Alex Hoff, and David Yach built Auvik around the manual work of understanding and maintaining business networks. The company expanded from that specific problem into traffic analysis, remote-work infrastructu
How Mahendra Alladi built ACCELQ around the people responsible for software quality ACCELQ grew from a recurring enterprise problem: release schedules were accelerating faster than testing teams could keep up. Mahendra Alladi built its product strategy around making automation practical for those teams,

Subcategories in the same part of the directory, with the number of listed products.