E-commerce Platform
Aimeos
Aimeos is an open-source PHP e-commerce framework for online stores, marketplaces, and B2B commerce. It integrates with Laravel, Symfony, and TYPO3 and…
$0TechZella Directory
Software for API in 2026
List of API Software | Last updated: October 13, 2026
This page lists the 384 tools in the TechZella directory that are classified under 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 1Password, Canva, Descartes Systems Group, Grammarly Business, Magento (Adobe Commerce), Otter.ai, Scribie and Trellix Endpoint Security; the list is alphabetical and does not imply a ranking. Across these tools the industries most often documented are Education, Professional Services, Financial Services, Healthcare. The most common documented use cases are Workflow automation, Sales pipeline management, Hybrid events, Team collaboration. Tools here are most often also filed under CRM Software, Webinar Software, Virtual Event Software, Cloud Storage. 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 API software
This page lists the 384 tools in the TechZella directory that are classified under 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 1Password, Canva, Descartes Systems Group, Grammarly Business, Magento (Adobe Commerce), Otter.ai, Scribie and Trellix Endpoint Security; the list is alphabetical and does not imply a ranking. Across these tools the industries most often documented are Education, Professional Services, Financial Services, Healthcare. The most common documented use cases are Workflow automation, Sales pipeline management, Hybrid events, Team collaboration. Tools here are most often also filed under CRM Software, Webinar Software, Virtual Event Software, Cloud Storage. 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.
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Explore API through related software needs
These links use TechZella's existing product-to-taxonomy relationships. They are navigation aids, not independent endorsements.
Directory
Software listed under API
Browse the current directory listings and open individual profiles for detailed feature, pricing and evidence information.
Quick comparison
API Software
| # | Software / Tool | Best For | TechZella Score | User Rating | Pricing |
|---|---|---|---|---|---|
| 1 | Concrete CMS | Concrete CMS is an open-source, PHP-based content management system for websites and… | 8.2/10 | — | $0 / $4.99 |
| 2 | DatoCMS | DatoCMS is a cloud-based headless content management system with GraphQL content delivery,… | 8.2/10 | — | $0 / From €149 |
| 3 | Kit (formerly ConvertKit) | Kit is a web-based email marketing platform for creators, with newsletters, audience-growth… | 8.1/10 | — | $0 / $39 per month; about $33 per… |
| 4 | beehiiv | beehiiv combines newsletter publishing, email marketing, audience-growth tools, and monetization features with… | 8.0/10 | — | $0 / $49 |
| 5 | Flodesk | Flodesk is a web-based email marketing platform for designing and sending campaigns,… | 8.0/10 | — | $0 / $19 annually; $25 monthly |
| 6 | Kirby | Kirby is a self-hosted, file-based CMS with a customizable browser Panel, PHP… | 7.9/10 | — | €99 / €349 |
| 7 | Mailjet | Mailjet is a web-based email marketing and delivery platform with campaign tools,… | 7.9/10 | — | $0 / $9 |
| 8 | Sendlane | Sendlane is a web-based email marketing platform with campaign tools, behavioral automations,… | 7.8/10 | — | $100 / $0 |
| 9 | Zesty.io | Zesty.io is a cloud CMS for creating, managing, and publishing structured content… | 7.7/10 | — | $0 / $475 |
| 10 | Substack | Substack combines email newsletter publishing, a hosted publication site, subscriber management, and… | 7.6/10 | — | $0 / 10% of subscription revenue plus Stripe… |
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Editorial selection
Software for API in 2026
E-commerce Platform
X-Cart
X-Cart is a customizable e-commerce platform for online stores, with a current focus on automotive retailers. It supports hosted and self-hosted deployment,…
$249 / month
Marketing Analytics
Faraday
Faraday combines first-party customer data with consumer attributes and predictive models for audience insights, enrichment, and marketing activation.
$0.05 per credit / Usage-based
C
AI Roleplay Software
Chub Venus
Chub is a web-based character platform with the Venus chat interface. Users create or browse characters, then chat using Chub-hosted or connected…
$20 / month
Identity and Access Management
Passage by 1Password
Passage was 1Password’s developer service for adding passkey-based authentication to websites and apps. It was retired on January 16, 2026.
$0.02 per monthly active user / month
Identity and Access Management
OwnID
OwnID adds passkey-based, passwordless authentication and related verification flows to customer-facing websites and apps. Unico acquired OwnID in 2025.
Contact sales / Annual; terms not publicly specified
Developer Tools
Oasis Passkey SDK
An open-source account-abstraction wallet SDK developed with Apillon. It lets dApps add embedded wallets with passkey-based authentication and blockchain transaction support.
$0 / month
Identity and Access Management
Authsignal
Authsignal adds passkeys, adaptive MFA and authentication orchestration to existing identity systems through APIs, SDKs and pre-built interfaces.
$0 / 30 days
Identity and Access Management
Authgear
Authgear is an identity and access management platform for web and mobile apps, with authentication, user management, passkeys, MFA, and SSO.
$0 / month
Identity and Access Management
Ory Kratos
Open-source, API-first identity infrastructure for application registration, login, recovery, verification, MFA, passkeys, and profile management. Run it yourself or use Ory Network.
$0 / one-time