Integration Marketplace

A

Anthropic Claude

AI APIs

Anthropic's Claude API powers chat, summarization, extraction, and agentic features. First-time founders use it to add AI capabilities to their SaaS with a typed TypeScript SDK and a single API key.

C

Cohere

AI APIs

Cohere offers enterprise-grade LLMs for chat, plus best-in-class embeddings and reranking for search and RAG. A solid pick for first-time SaaS founders building retrieval features.

D

DeepInfra

AI APIs

DeepInfra serves open-source LLMs and other models on demand at low per-token prices through an OpenAI-compatible API, giving a first-time founder cheap, scalable inference without running any GPUs.

E

ElevenLabs

AI APIs

ElevenLabs turns text into lifelike speech in dozens of languages and voices, letting a first-time founder add narration, voice replies, or audio content to their SaaS with one server-side API call.

F

Fireworks AI

AI APIs

Fireworks AI delivers fast, low-cost inference for open-source LLMs and image models through an OpenAI-compatible API, letting a first-time founder ship speedy AI features without owning any GPU infrastructure.

G

Google Gemini

AI APIs

Google Gemini's API offers fast, low-cost multimodal models for text, images, and long-context tasks. A strong, generous free-tier alternative to OpenAI for first-time SaaS founders.

G

Groq

AI APIs

Groq runs open LLMs on custom hardware for extremely fast inference at low cost, with an OpenAI-compatible API. Great for first-time founders who need snappy, cheap AI responses.

H

Hugging Face

AI APIs

Hugging Face Inference Providers unifies 15+ inference partners behind one OpenAI-compatible API, giving first-time founders access to thousands of open models with a single token.

M

Mistral AI

AI APIs

Mistral AI offers fast, affordable European-hosted LLMs for chat, code, and structured output. A privacy-friendly, low-cost OpenAI alternative for first-time SaaS founders.

O

OpenAI

AI APIs

OpenAI's API powers GPT models for chat, summarization, and structured output. The default choice for first-time SaaS founders adding AI features without running their own models.

O

OpenRouter

AI APIs

OpenRouter is one API key and one endpoint for hundreds of LLMs (OpenAI, Anthropic, Google, Meta, and more), letting a first-time founder swap models and dodge vendor lock-in without rewiring code.

P

Perplexity API

AI APIs

Perplexity's Sonar API gives your SaaS real-time, web-grounded answers with live citations — ideal for research, support, and any feature that needs current facts instead of stale model knowledge.

R

Replicate

AI APIs

Replicate runs thousands of open-source AI models (image, video, audio, language) behind one simple API, so a first-time founder can ship generative features without managing GPUs or model infrastructure.

S

Stability AI

AI APIs

Stability AI's REST API generates and edits images with Stable Diffusion and Stable Image models, letting a first-time founder add text-to-image, upscaling, and editing features straight from their server.

T

Together AI

AI APIs

Together AI serves 100+ open-source LLMs through one OpenAI-compatible API, with cheap pay-per-token pricing. Ideal for first-time founders who want model choice without managing GPUs.

A

Amplitude

Analytics

Digital analytics platform for product teams. Track events, build behavioral cohorts, and analyze funnels and retention to understand what drives growth in your SaaS.

C

Cloudflare Web Analytics

Analytics

Free, privacy-first web analytics from Cloudflare. A lightweight beacon tracks pageviews and Core Web Vitals with no cookies and no client-side state.

F

Fathom Analytics

Analytics

Simple, privacy-first website analytics. A fast cookieless script gives you traffic, referrers, and events with no consent banners and full GDPR/CCPA compliance.

G

Google Analytics 4

Analytics

Google Analytics 4 is free web analytics for traffic, audience, and conversion tracking. First-time founders use it to see where visitors come from and which pages and events drive signups.

G

Google Search Console

Analytics

Google's free tool for monitoring how your site appears in Search. Verify ownership, track queries and clicks, submit sitemaps, and surface indexing issues for SEO.

M

Microsoft Clarity

Analytics

Free heatmaps and session recordings from Microsoft. See where users click, scroll, and rage-click on your SaaS, with no traffic limits and no cost.

M

Mixpanel

Analytics

Event-based product analytics for funnels, retention, and user flows. Track exactly which actions drive activation and revenue in your SaaS with rich segmentation.

P

Plausible

Analytics

Lightweight, privacy-first web analytics. A simple cookieless script under 1KB gives you traffic, sources, and goals without GDPR consent banners or cookie popups.

P

PostHog

Analytics

Open-source product analytics with event tracking, session replays, feature flags, and funnels. Self-serve insights into how users move through your SaaS, all from one dashboard.

V

Vercel Analytics

Analytics

Privacy-friendly, real-time web analytics built into Vercel. Drop in one component to track pageviews and custom events with zero config and no API key required.

A

Auth0

Auth & Identity

Auth0 is a hosted identity platform with a Next.js SDK (v4) that manages login, sessions, and tokens, exposing a server Auth0Client for reading the current session from server code.

B

Better-Auth

Auth & Identity

Better-Auth is a self-hosted, open-source TypeScript authentication framework configured with betterAuth() that owns its own database tables and runs entirely inside your app.

C

Clerk

Auth & Identity

Clerk is a drop-in user management and authentication service for Next.js with prebuilt UI, sessions, organizations, and a Backend API for looking up and managing users from the server.

K

Kinde

Auth & Identity

Kinde is a developer-friendly auth and user management platform with a Next.js SDK exposing getKindeServerSession for reading user and auth state from server code.

S

Stytch

Auth & Identity

Stytch is a developer auth platform for passwordless flows — email magic links, OTP, and B2B SSO — with a Node backend SDK ideal as an add-on for an extra login method.

W

WorkOS

Auth & Identity

WorkOS adds enterprise readiness — SSO, Directory Sync (SCIM), and AuthKit — via its Node SDK, ideal as a product-level add-on for selling to large customers without touching core auth.

A

Apollo

CRM & Sales

Apollo.io is a sales intelligence and engagement platform. Create a contact in Apollo when someone signs up so your team can enrich, sequence, and reach out to leads at scale.

A

Attio

CRM & Sales

Attio is a modern, data-driven CRM. Assert Person records from your app so every signup lands in your CRM with deduplication on email, ready for pipelines, lists, and automations.

C

Clay

CRM & Sales

Clay is a data enrichment and automation platform. Push signups into a Clay table via its webhook source so each lead is automatically enriched and routed into your outreach workflows.

H

HubSpot

CRM & Sales

HubSpot is an all-in-one CRM and marketing platform. Push new signups into HubSpot as contacts so your sales and marketing teams can nurture, segment, and follow up automatically.

H

Hunter

CRM & Sales

Hunter.io finds and verifies professional email addresses. Verify a signup's email or find a contact's address from a domain so your CRM and outreach data stay clean and deliverable.

I

Instantly

CRM & Sales

Instantly.ai is a cold-email outreach platform. Add new signups or leads as leads in an Instantly campaign so they automatically enter your email sequences and follow-ups.

P

Pipedrive

CRM & Sales

Pipedrive is a sales-focused CRM built around visual pipelines. Create a Person record when someone signs up so your sales team can track, qualify, and move leads through deals automatically.

C

Convex

Database & Backend

Convex is a reactive backend-as-a-service with a built-in database and live queries, used as a parallel backend for specific realtime features rather than a drop-in replacement.

N

Neon

Database & Backend

Neon is serverless Postgres that scales to zero and queries over HTTP, ideal as a secondary, edge-friendly SQL datastore for a specific product feature alongside the boilerplate's primary database.

P

PlanetScale

Database & Backend

PlanetScale is serverless MySQL (Vitess) with a Fetch-compatible HTTP driver, a solid secondary SQL datastore for a product feature that wants MySQL alongside the boilerplate's primary database.

T

Turso

Database & Backend

Turso is edge-hosted SQLite (libSQL) with global replication and embedded replicas, a great secondary datastore for low-latency edge reads alongside the boilerplate's primary database.

U

Upstash Redis

Database & Backend

Upstash Redis is serverless, HTTP-based Redis with per-request pricing, a clean complement to the boilerplate for caching, rate limiting, and ephemeral session or queue data.

B

Beehiiv

Email & Lifecycle

Beehiiv is a fast-growing newsletter platform with built-in growth and monetization tools. Use its API to add subscribers to your publication when users sign up for your SaaS or newsletter.

B

Brevo

Email & Lifecycle

Brevo (formerly Sendinblue) is an all-in-one marketing and transactional email platform with a generous free tier, an official Node SDK, SMS, and CRM tools for growing SaaS teams.

C

Customer.io

Email & Lifecycle

Customer.io is a behavioral messaging platform. Identify users and track events from your SaaS to trigger data-driven email, push, and SMS campaigns based on what people actually do.

K

Kit (ConvertKit)

Email & Lifecycle

Kit (formerly ConvertKit) is a creator-focused email marketing platform. Add subscribers to your list, tag them, and trigger automations when someone signs up for your SaaS or newsletter.

L

Loops

Email & Lifecycle

Loops is a SaaS-focused email platform for transactional and marketing email. First-time founders use it to send signup, password-reset, and lifecycle emails without managing templates in code.

M

MailerSend

Email & Lifecycle

MailerSend is a developer-friendly transactional email service with a clean Node SDK, drag-and-drop templates, and a free tier. Great for receipts, resets, and product notifications on a budget.

M

Mailgun

Email & Lifecycle

Mailgun is a powerful email API for sending, receiving, and tracking email at scale. A solid choice for transactional and high-volume sending with detailed analytics and routing.

P

Postmark

Email & Lifecycle

Postmark is a transactional email service famous for fast, reliable delivery and detailed message logs. Ideal for receipts, password resets, and notifications that absolutely must land in the inbox.

R

Resend

Email & Lifecycle

Developer-first transactional email API with a clean SDK and React Email support. Send password resets, receipts, and product notifications with great deliverability and zero SMTP fuss.

R

Resend Lifecycle Emails

Email & Lifecycle

Production-grade lifecycle email program — welcome, upgrade nurture, post-purchase onboarding — fired by your auth and Stripe events. One command provisions everything in your Resend account.

S

SendGrid

Email & Lifecycle

SendGrid (by Twilio) is a battle-tested email platform for transactional and marketing email at any scale, with a simple Node SDK, dynamic templates, and deep deliverability tooling.

G

GrowthBook

Experiments

GrowthBook is an open-source feature flagging and A/B testing platform. Evaluate flags and experiments with one JavaScript SDK on server or client, with a free cloud tier and self-host option.

L

LaunchDarkly

Experiments

LaunchDarkly is an enterprise feature management platform for feature flags, progressive rollouts, and experiments. Evaluate flags server-side per context with a free developer plan.

S

Statsig

Experiments

Statsig is a product development platform for feature flags, A/B experiments, and analytics. Check gates and run experiments server-side from one SDK with a generous free tier.

V

Vercel Edge Config

Experiments

Vercel Edge Config is a global, ultra-low-latency data store for reading feature flags, kill switches, and config at the edge — most reads complete in under 15ms without hitting a database.

A

AWS S3

Files & Images

Amazon S3 is the industry-standard object storage service — durable, scalable file storage you access through the AWS SDK, with presigned URLs for secure direct browser uploads.

B

Bunny CDN

Files & Images

Bunny is a low-cost edge storage and CDN platform. Bunny Storage exposes a simple REST API for uploading files, which are then delivered worldwide through Bunny's pull/edge CDN.

C

Cloudflare R2

Files & Images

Cloudflare R2 is S3-compatible object storage with zero egress fees, usable through the standard AWS S3 SDK. Store and serve files cheaply without per-download bandwidth charges.

C

Cloudinary

Files & Images

Cloudinary is a media management platform for uploading, storing, transforming, optimizing, and delivering images and video through a global CDN with on-the-fly transformations.

I

ImageKit

Files & Images

ImageKit is a media storage, optimization, and delivery platform with real-time URL-based image and video transformations served through a global CDN, plus a Node.js upload SDK.

U

Uploadthing

Files & Images

Uploadthing is a type-safe file upload service built for Next.js and the TypeScript ecosystem, giving you server-side file routers, hosted storage, and a CDN with minimal boilerplate.

C

Cal.com

Forms & Scheduling

Cal.com is open-source scheduling with a generous free tier. Embed a booking page in your SaaS with the official React package and read bookings server-side through the Cal.com API v2.

C

Calendly

Forms & Scheduling

Calendly is the most widely used scheduling tool. Embed your booking page in your SaaS via its widget script (inline or popup) and read scheduled events server-side through the Calendly API v2.

F

Fillout

Forms & Scheduling

Fillout is a powerful free-tier form builder with a generous 1,000 submissions/month. Embed forms with its official React package and read submissions server-side through the Fillout REST API.

S

SavvyCal

Forms & Scheduling

SavvyCal is a polished scheduling tool that lets invitees overlay their calendar on yours. Embed a scheduling link in your SaaS via its embed script and read bookings server-side through the REST API.

T

Tally

Forms & Scheduling

Tally is a free form builder with unlimited responses. Embed surveys, waitlists, and feedback forms in your SaaS via iframe or its embed script, and read submissions through the REST API.

T

Typeform

Forms & Scheduling

Typeform builds conversational, one-question-at-a-time forms with high completion rates. Embed them in your SaaS with the official React package and read responses via the Responses API.

I

Inngest

Background Jobs

Inngest runs durable background jobs and event-driven workflows in your Next.js app with automatic retries, steps, and scheduling — no queues or worker infrastructure to manage.

Q

QStash

Background Jobs

QStash is Upstash's serverless message queue and scheduler. It calls your own HTTP endpoints with delay, retries, and cron scheduling — perfect for background jobs on Vercel with no infrastructure.

T

Trigger.dev

Background Jobs

Trigger.dev runs long-running, durable background tasks for your Next.js app — no timeouts, with automatic retries, queues, and scheduling. Tasks are defined in code and deployed via its CLI.

A

Affonso

Marketing & Growth

Affonso is affordable affiliate-program software for SaaS. A first-time founder can launch an affiliate program with a single tracking script, custom commissions, fraud detection, and managed payouts.

C

Canny

Marketing & Growth

Canny is a feedback-board and feature-voting tool. A first-time founder can embed a board where users submit and upvote ideas, plus read feedback programmatically via the REST API.

F

Featurebase

Marketing & Growth

Featurebase is a feedback, feature-voting, and changelog platform. A first-time founder can collect user requests and announce updates via an embeddable widget plus a REST API.

G

GetWaitlist

Marketing & Growth

GetWaitlist powers pre-launch waitlists with viral referrals. A first-time founder can capture signups via a simple REST API and grow a launch list with built-in referral tracking.

P

PartnerStack

Marketing & Growth

PartnerStack is a partner and affiliate platform with a full REST API. A first-time founder can programmatically track customers, partnerships, and commissions across a B2B partner program.

R

Rewardful

Marketing & Growth

Rewardful is affiliate and referral software that sits on top of Stripe. A first-time founder can launch a partner program with frontend-only tracking and let Rewardful handle commissions and payouts.

S

Senja

Marketing & Growth

Senja helps you collect, manage, and display customer testimonials. A first-time founder can embed a Wall of Love widget on the marketing site to turn social proof into signups.

T

Testimonial.to

Marketing & Growth

Testimonial.to collects text and video testimonials and embeds them as a Wall of Love. A first-time founder can add social proof to the marketing site with one iframe snippet.

T

Tolt

Marketing & Growth

Tolt is affiliate-program software for SaaS that runs on Stripe. It lets a first-time founder launch referral tracking, automate commissions, and pay affiliates without building any of it.

T

Trustpilot

Marketing & Growth

Trustpilot is a review platform with embeddable TrustBox widgets. A first-time founder can display star ratings and customer reviews on the marketing site to build trust with new visitors.

A

Axiom

Monitoring & Logging

Axiom is a high-performance, low-cost observability data platform for logs, events, and traces, with a generous free tier and a simple JS SDK for ingesting structured events.

B

Better Stack

Monitoring & Logging

Better Stack (formerly Logtail + Better Uptime) is a log management and uptime monitoring platform with fast search, dashboards, and incident alerting for Node.js apps.

D

Datadog

Monitoring & Logging

Datadog is an enterprise-grade observability platform covering logs, metrics, APM, and more. This guide wires a conservative server-side log/metric submitter via its official TypeScript API client.

H

Highlight.io

Monitoring & Logging

Highlight.io is an open-source, full-stack monitoring platform combining session replay, error monitoring, logging, and tracing, with a first-class Next.js SDK and self-host option.

L

LogRocket

Monitoring & Logging

LogRocket records pixel-perfect session replays of your frontend alongside console logs, network requests, and errors so you can reproduce bugs and understand real user behavior.

S

Sentry

Monitoring & Logging

Sentry is error tracking and performance monitoring for web apps. First-time founders use it to capture exceptions with stack traces and breadcrumbs so they find and fix production bugs fast.

K

Knock

Notifications

Knock is notifications-as-infrastructure. Define workflows once, then trigger them from your backend to deliver across in-app feed, push, SMS, Slack, and more with a single API call.

N

Novu

Notifications

Novu is open-source notification infrastructure. Build workflows in a visual editor, then trigger them from your backend to deliver across in-app, push, SMS, chat, and email channels.

O

OneSignal

Notifications

OneSignal is a push notification platform for web and mobile. Send browser push, mobile push, and in-app messages to segments or individual users from your backend.

P

Pusher

Notifications

Pusher Channels is hosted realtime WebSockets. Publish events from your backend and clients subscribed to a channel receive them instantly — for live updates, presence, and notifications.

T

Twilio

Notifications

Twilio is the industry-standard API for SMS, voice, and WhatsApp. Send text messages, OTP codes, and alerts to phone numbers worldwide from your backend with a single call.

L

Lemon Squeezy

Payments & Billing

Lemon Squeezy is a merchant-of-record payment platform for digital products and SaaS that handles global sales tax, VAT, and billing compliance for you via a simple JavaScript SDK.

P

Paddle

Payments & Billing

Paddle is a merchant-of-record billing platform for SaaS that handles global payments, sales tax, and subscriptions, with a typed Node.js SDK for creating transactions and checkouts.

P

Polar

Payments & Billing

Polar is a developer-first merchant-of-record platform for selling SaaS and digital products, handling global tax compliance with a typed TypeScript SDK for creating checkouts.

R

RevenueCat

Payments & Billing

RevenueCat manages in-app subscriptions across iOS, Android, and web, giving you a unified server REST API to check a customer's entitlements and subscription status from your backend.

S

Stripe Connect

Payments & Billing

Stripe Connect lets you build a marketplace or platform that onboards sellers, accepts payments on their behalf, and routes payouts — using Express connected accounts and onboarding links.

S

Stripe Tax

Payments & Billing

Stripe Tax automatically calculates and collects sales tax, VAT, and GST on your own custom Checkout Sessions and invoices based on the customer's location and your registrations.

A

Algolia

Search

Algolia is a hosted search-as-a-service API that delivers fast, typo-tolerant, relevance-tuned search to your app. Index records server-side, query them instantly from the browser.

M

Meilisearch

Search

Meilisearch is an open-source, lightning-fast search engine you can self-host or run on Meilisearch Cloud. Add documents server-side and get typo-tolerant, relevant results instantly.

P

Pagefind

Search

Pagefind is a build-time static search library that indexes your built HTML and ships a tiny client-side search UI. No account, no API key, no server — fully static search at scale.

T

Typesense

Search

Typesense is an open-source, typo-tolerant search engine you can self-host or run on Typesense Cloud. Define collections, import documents server-side, and get instant ranked results.

C

Chatwoot

Customer Support

Chatwoot is an open-source, self-hostable support platform. Embed its live-chat widget with a website token and base URL — an Intercom alternative you can run on your own infrastructure.

C

Crisp

Customer Support

Crisp is a live-chat and customer messaging widget. First-time founders use it to add an in-app chat box so visitors and users can reach support without leaving the product.

H

Help Scout

Customer Support

Help Scout's Beacon widget embeds live chat, self-service docs, and a contact form in your app via a small client script, backed by a shared inbox and Mailbox REST API.

I

Intercom

Customer Support

Intercom adds the Messenger live-chat widget to your app for support and onboarding, with an optional REST API for managing contacts and conversations from your backend.

P

Plain

Customer Support

Plain is a B2B support platform with a fully typed TypeScript SDK. Sync customers and open support threads from your backend so every conversation has product context attached.

T

Tawk.to

Customer Support

Tawk.to is a 100% free live chat widget you embed with a property ID and widget ID. Pure client-side script — chat with visitors in real time at no cost, with unlimited agents.

C

Cloudflare Stream

Video & Streaming

Cloudflare Stream is a flat-priced video platform that encodes, stores, and delivers adaptive video globally. Generate a direct creator upload URL or copy from a URL with no bandwidth fees.

D

Daily.co

Video & Streaming

Daily.co provides WebRTC video and audio call APIs. Create rooms server-side via the REST API, then embed a fully managed call UI in the browser with the daily-js client SDK.

M

Mux

Video & Streaming

Mux is a developer-first video API for hosting, encoding, and adaptive streaming. Upload a file or URL and get a ready-to-play HLS stream plus a React player and built-in analytics.

V

Vimeo

Video & Streaming

Vimeo is a video hosting platform with a full developer API. Upload videos to your account, manage metadata, and embed an ad-free, customizable player using the official Node SDK.