Dev tools · alternatives · 2026
24 alternatives to Preferral API
Implement an invite list with in-built referral via POST API
Preferral API is a serverless tool that helps developers add invite lists and referral systems to landing pages through a simple POST API. It allows creators to validate ideas and build beta audiences before full… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Preferral API launched in 2020; newer entries below may have overtaken it.
- 1
Waitlist API▲807Quick and easy waitlist with built in referral.
2020 · getwaitlist.com · its alternatives →
- 2
A collaborative AI workspace, built on your company context. Build and orchestrate agents right alongside your team
2020 · notion.so · its alternatives →
- 3
GrowSurf 2.0▲302Create a custom refer-a-friend program for your site
2020 · growsurf.com · its alternatives →
- 4
Build, test, and document your APIs faster
2016 · postman.com · its alternatives →
- 5
Waitinglist▲115Simple API to capture audience with built in referral system
2021 · waitinglist.app · its alternatives →
- 6
Invite Codes▲148Find and share invite/referral codes for apps and services
2020 · invitecodes.web.app · its alternatives →
- 7
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Publora▲657Post to 10 social platforms with one HTTPS call. The unified API and MCP server that connects AI agents, Claude Code, Cursor, and automation tools to Instagram, LinkedIn, X, TikTok, and more.
Jun 2026 · publora.com · its alternatives →
- 9
tl;dr we at Escape (YC W23), we scanned 5651+ public APIs on the internet with our in house feedback driven API exploration tech, and ranked them using security, performance, reliability, and design criteria. The results are public on https://apirank.dev. You can request that we index your own API to the list for free and see how it compares to others. Why we did that? During a YC meetup I spoke with a fellow founder that told me how hard it was to pick the right external APIs to use within your own projects. I realized that most of what we build relies on public APIs from external…
2023 · apirank.dev · its alternatives →
- 10
Invitation▲83Share your invite codes, and maximize referral kickbacks
2021 · invitation.codes · its alternatives →
- 11
Build a Dropbox-style referral with this useful tool ✌️
2017 · its alternatives →
- 12
Referlist▲178Increase email sign-ups via word of mouth referrals
2019 · referlist.co · its alternatives →
- 13
Referred Club▲335Automatically use and share referral links for free stuff
2016 · referredclub.com · its alternatives →
- 14
Invitee▲77A plug & play 'refer a friend' solution for your app
2021 · invitee.co · its alternatives →
- 15
Apidog▲570Development teams often struggle with using multiple tools like Postman and Swagger for API design, development, and testing. This fragmented approach leads to outdated API specs and chaotic collaboration. So we built Apidog: a single, unified API platform for team collaboration. It has a beautiful interface that makes it easy to create API spec, generate request data from API spec, validate responses, create mock data, orchestrate test scenarios, and publish API documentation. Apidog = Postman + Swagger + Mock + JMeter.
2024 · apidog.com · its alternatives →
- 16
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InviteRobot▲108Instant subscription for paid Slack communities
2017 · inviterobot.com · its alternatives →
- 18
Make it easy for your users to send invites to their friends
2015 · firebase.google.com · its alternatives →
- 19
A curated directory of startup referral programs
2016 · referral.growthjam.com · its alternatives →
- 20
Tools to measure and improve developer adoption of your API.
2017 · blog.glitch.com · its alternatives →
- 21
- 22
Real-time B2B and B2C audiences & intelligence
2021 · its alternatives →
- 23
Sales prospecting automation
2016 · overloop.com · its alternatives →
- 24EI
2014 · developer.appsp.in · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →