TechZella Directory

Software for REST API in 2026

List of REST API Software | Last updated: October 13, 2026

This page lists the 51 tools in the TechZella directory that are classified under REST API, a platform in our taxonomy. Every profile summarises what the product does, who it suits, what it costs, and where it falls short, based on documented vendor and independent sources rather than hands-on testing. Examples in this group include Acronis Cyber Protect, Browse AI, Egnyte, Gladia, Keycloak, Rapid7 InsightIDR, Speechmatics and TranscribeMe; the list is alphabetical and does not imply a ranking. Across these tools the industries most often documented are Healthcare, Education, Retail, Financial Services. The most common documented use cases are Order fulfillment, Order management, Sales pipeline management, Audio transcription. Tools here are most often also filed under Speech-to-Text Software, Supply Chain Management, Transcription Software, CRM Software. To compare options, open each profile and read the Decision Snapshot, the pricing and total cost sections, and the Gotchas, then check the alternatives listed for the products you are considering. Features, pricing and availability change, so confirm current details with each vendor before you decide.

Editorial guide

About REST API software

This page lists the 51 tools in the TechZella directory that are classified under REST API, a platform in our taxonomy. Every profile summarises what the product does, who it suits, what it costs, and where it falls short, based on documented vendor and independent sources rather than hands-on testing. Examples in this group include Acronis Cyber Protect, Browse AI, Egnyte, Gladia, Keycloak, Rapid7 InsightIDR, Speechmatics and TranscribeMe; the list is alphabetical and does not imply a ranking. Across these tools the industries most often documented are Healthcare, Education, Retail, Financial Services. The most common documented use cases are Order fulfillment, Order management, Sales pipeline management, Audio transcription. Tools here are most often also filed under Speech-to-Text Software, Supply Chain Management, Transcription Software, CRM Software. To compare options, open each profile and read the Decision Snapshot, the pricing and total cost sections, and the Gotchas, then check the alternatives listed for the products you are considering. Features, pricing and availability change, so confirm current details with each vendor before you decide.

Directory

Software listed under REST API

Browse the current directory listings and open individual profiles for detailed feature, pricing and evidence information.

Quick comparison

REST API Software

#Software / ToolBest ForTechZella ScoreUser RatingPricing
1 Buttondown Buttondown is a browser-based newsletter platform for writing, managing, and sending email… 8.2/10 — $0 / Varies by active subscriber count
2 Brevo (formerly Sendinblue) Brevo is a cloud-based marketing and CRM platform for email campaigns, automation,… 7.9/10 — $0 / From $9
3 Squidex Squidex is an open-source headless CMS for modeling and managing structured content,… 7.8/10 — Free / €19
4 Flotiq Flotiq is a managed headless CMS with customizable content models and automatically… 7.7/10 — $0 / $37
5 Letterhead Letterhead provides newsletter production, audience management, analytics and monetization tools. Studio layers… 7.6/10 — See pricing
6 Cockpit CMS Cockpit CMS is a self-hosted headless CMS with REST and GraphQL APIs,… 7.5/10 — €0 / €299
7 Mailcoach Mailcoach is an email marketing platform for campaigns, newsletters, automations, and transactional… 7.3/10 — €9.99 / €0
8 Audienceful Audienceful is a web-based email marketing platform for newsletters, campaigns, signup forms,… 7.2/10 — $0 / $29
9 Bolt CMS Bolt is an open-source PHP CMS for structured website content, Twig-based sites… 7.2/10 — $0
10 Curated Curated is a newsletter publishing platform for collecting links, adding commentary, and… 5.8/10 — $0 / $39
Filters
Editorial selection

Software for REST API in 2026

127 software listings