23blocks

23blocks.com · checked 7 Oct 2026

#14 · Backend as a Service (BaaS) Software

Visit 23blocks.com ↗ Alternatives 23blocks vs Backendless

How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on Backend as a Service (BaaS) Software5.8#14 of 20

23blocks provides pre-built backend blocks with APIs so developers can use backend services without building the infrastructure themselves.

Pricing

Shared Cloud free tier1,000 users · 100K API calls/month · 10GB storage · 50GB bandwidth · overages billed per resourceFree
Contentper block, per month · Shared Platform · Headless CMS$29.99/mo
Onboardingper block, per month · Shared Platform · User journeys, activation flows$29.99/mo
Formsper block, per month · Shared Platform · Dynamic forms & validation$29.99/mo
Authper block, per month · Shared Platform · Authentication, users, MFA, SSO$39.99/mo
CRMper block, per month · Shared Platform · Contacts and relationships$69.99/mo
Productsper block, per month · Shared Platform · Product catalog & inventory$69.99/mo
Rewardsper block, per month · Shared Platform · Loyalty, coupons & badges$69.99/mo

As 23blocks.com lists them, checked 7 Oct 2026.

Near it

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Runs on

Web
Windows
Mac
Linux
iOS
Android

Facts

Website: 23blocks.com
Price: Free tier · from $29.99/mo
Free trial: Not stated
Agent support: The home page says agents can use MCP plugins for Claude Code or call REST endpoints.
Blocks: The listed blocks include authentication, onboarding, CRM, files, forms, content, products, sales, rewards, geolocation, real-time, search, AI/Jarvis, university, companies, assets and wallet.
Deployments: The pricing page lists Shared Cloud, Dedicated Cloud and Self-Hosted deployment options.
Developer access: The platform page lists a frontend SDK, REST API with OpenAPI specifications, and webhooks for real-time events.
Free-tier limits: Shared Cloud includes 1,000 users, 100,000 API calls per month, 10GB storage and 50GB bandwidth; usage above those amounts is billed per resource.
Integrations: The platform page lists Stripe, OpenAI, Google, AWS and SendGrid as third-party integrations and says users can add any third-party API key.
Maker location: The site says 23blocks is made in Boulder, Colorado and describes the team as remote worldwide.
Open source: The page says every block became fully open source on July 31, 2026, and that users pay to run the software rather than for the software itself.
Security: The DPA describes TLS 1.2 minimum and TLS 1.3 preferred for data in transit, AES-256 or equivalent encryption at rest, least-privilege IAM and required MFA for administrative access.
Support: The pricing page says the 1.5× deployment multiplier covers provisioning, monitoring, upgrades and support for dedicated single-tenant deployments.
Who it serves: The home page names indie developers, startups, digital agencies and enterprise as intended audiences.

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