Compare
httpSMS vs Keel
Short answer: Pick httpSMS if you want self-hosted SMS gateway; pick Keel if you want code-first backend with built-in internal tools. httpSMS has a free plan.
httpSMSConvert your Android phone into an SMS gateway.
KeelThe backend for your apps, the tools for your teamsWhich to pick
Pick httpSMS if you want…
- Self-hosted SMS gateway
- Integrations with Zapier, Webhooks or JavaScript (on httpSMS's list, not Keel's)
Pick Keel if you want…
- Code-first backend with built-in internal tools
- Backend as a service
- Integrations with VSCode extension (on Keel's list, not httpSMS's)
Side by side
- What it is
- httpSMS:httpSMS turns an Android phone into an SMS gateway with a programmable API and end-to-end encryption.
- Keel:Keel provides a code-first backend platform with instant internal tools, schema-driven APIs, and full-stack operations features.
- Best for
- httpSMS:Self-hosted SMS gateway
- Keel:Code-first backend with built-in internal tools
- Who it’s for
- httpSMS:Developers needing low-cost SMS sending/receiving via their own device.
- Keel:Engineers building operational backends and internal tools for fast-moving teams
- Pricing
- httpSMS:Freemium
- Keel:Contact sales
- Free plan or trial
- httpSMS:Free plan (Free) · Free trial
- Keel:—
- Plans
- httpSMS:Free $0
- Keel:—
- Open source
- httpSMS:Yes, 5,215 GitHub stars
- Keel:Yes
- Works with
- httpSMS:Zapier, Webhooks, JavaScript, PHP, Python, Go, Java, cURL
- Keel:VSCode extension
httpSMS features
- Bulk SMS upload. Send up to 1,000 messages at once by uploading a CSV or Excel file, no code required.
- Zapier integration. Connect SMS actions to thousands of apps, e.g., Shopify orders or Google Sheets rows.
- Webhooks callbacks. Forward incoming SMS to your server via a configurable callback URL.
- Rate control & queueing. Set a send rate (e.g., 3/min) and the platform queues messages to respect carrier limits.
- Offline notifications. Receive immediate alerts if the Android phone goes offline and cannot send SMS.
- End-to-end AES-256 encryption. All messages are encrypted on the device and in transit for privacy.
- Multiple phone support. Run the gateway on several phones independently, each with its own API key.
- Scheduled messages. Schedule SMS delivery for future times, useful for promotions or alerts.
Keel features
- Schema-driven data model. Define data models, actions, and permissions in a clear schema that generates APIs and internal tools.
- TypeScript extensions. Write custom functions, jobs, and durable functions in TypeScript with full type safety.
- Version-controlled environments. Create multiple environments, branch deployments, and PR previews with audit trails.
- Built-in testing framework. Generate type-safe end-to-end tests from the schema for actions, functions, and jobs.
- Instant internal tools. Automatically generate UI tools for ops teams that stay in sync with schema changes.
- Serverless infrastructure. Managed, multi-region PostgreSQL and serverless runtime scales from first to millionth user.
httpSMS vs Keel FAQ
What is the difference between httpSMS and Keel?+
Keel offers backend services for apps, not SMS sending via a phone.
Should I use httpSMS or Keel?+
Pick httpSMS if you want self-hosted SMS gateway or integrations with Zapier, Webhooks or JavaScript (on httpSMS's list, not Keel's). Pick Keel if you want code-first backend with built-in internal tools, backend as a service or integrations with VSCode extension (on Keel's list, not httpSMS's).
Is httpSMS or Keel free?+
httpSMS has a free plan and paid plans.
Is httpSMS or Keel open source?+
Yes, both are open source: httpSMS (NdoleStudio/httpsms on GitHub, AGPL-3.0 license) and Keel (teamkeel/keel on GitHub).
Do httpSMS and Keel integrate with the same tools?+
Their integration lists don't overlap: httpSMS lists Zapier, Webhooks, JavaScript, PHP and 5 more; Keel lists VSCode extension.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.