- APIVerve
- Argonaut
- ExchangeRate-API
- FingerprintJS Pro
- Geocodio
- ipapi.is
- Let's Encrypt
- ostr.io
- QRMint
- Svix
- Taskade
- Free Tier: 1,000 free tokens per month, a free mock endpoint, and a free JSON bin
- Pros: High quality curated APIs to help build your next project, 1 API Key gives you access to all APIs
- Limitations: Free tier has rate limits, and some API features are locked down on the free tier
- Exceeding the free tier: API calls return an error
- Free Tier: Unlimited apps and deployments for 5 environments and 2 users
- Pros: App deployment and infrastructure management in one place, bring your own cloud
- Limitations: Currently support only AWS
- Exceeding the free tier: Can continue using; our team will reach out
- Free tier: Free JSON currency conversion rate dataset
- Pros: No request limits, multiple data sources
- Limitations: Only updated every 24 hours
- Free tier: up to 1000 unique visitors per month
- Pros: identifies browser and hybrid mobile application users even when they purge data
- Limitations: the rate limit is reduced to 3 identifications per second
- Exceeding the free tier: the SDK returns an error
- Free tier: 2,500 lookups per day
- Pros: Forward and reverse geocoding, supports data appends such as Census data, congressional districts and timezones
- Limitations: Only covers US and Canada
- Free tier: 1,000 API lookups per day
- Pros: The free tier includes full API output with all data types. The API is replicated on mutiple servers worldwide which results in a fast performance.
- Limitations: No limits
- Exceeding the free tier: need to pay if 1,000 free daily API lookups are exceeded
- Free tier: provide SSL certificates for free
- Pros: free, support for wildcard certificates
- Limitations: certificates are valid for 90 days so automation is strongly recommended
- Free tier: up to 240 prerenders, 400 monitoring checks, 800 web-analytics requests, 400 web-CRON requests
- Pros: simple and easy to use, "one click" setup for Monitoring and Domains Protection, Prerendering supports ES6 (ECMAScript 2015)
- Limitations: No limits
- Exceeding the free tier: need to pay, Domain Names Protections continues to work as it's free for all accounts on all plans
- Free tier: Free QR code generation API with no authentication required
- Pros: Generate QR codes for any content via a simple API call; supports multiple output formats; no API key or signup needed
- Limitations: Rate limited on the free tier
- Credit card required: No
- Free tier: 50,000 webhook messages/month, 7 day data retention, unlimited environments
- Pros: super easy to ship a reliable, scalable webhook service with automatic retries, HMAC signatures, etc.
- Limitations: rate limited to 10 messages/second
- Exceeding the free tier: need to pay but service will continue working and a sales rep will reach out
- Free tier: 1 workspace, unlimited tasks, lists, and collaborators
- Pros: Simple and real-time task management
- Limitations: No limits
- Exceeding the free tier: need to pay, will included unlimited workspaces, file uploads, and more advanced features