Alternatives to heysteff SDK
12 alternatives to heysteff SDK in APIs & SDKs. Ones the founder approved come first; the rest are listings in the same category.
Dolfin AI
Agentic Financial Operations API for SMB platforms
- Same category
SheetXL
The API-first spreadsheet platform for developers and teams who want Excel power, embedded in their own stack
- Same category
- Startup
unmap
Worldwide maps, elevation and time zones with Canadian search and routing
- Same category
Sent
Send SMS, WhatsApp, and RCS messages via REST API or official SDKs
- Same category
NumRadar
WhatsApp number verification for developers
- Same category
Scento
The perfume knowledge connector for AI assistants
- Same category
- Startup
- France
SightRadar
High-accuracy face recognition API compatible with AWS Rekognition
- Same category
SerpKite
Google search API for AI agents with JSON or Markdown results, SDKs for TypeScript, Python and Go, plus MCP
- Same category
PrismCrawl
SERP and data APIs for production scale
- Same category
Curviate
LinkedIn API for AI agents with REST, CLI, MCP and SDK interfaces
- Same category
- Startup
- Germany
AnyAPI
One key and one wallet for 465 data APIs with automatic failover
- Same category
- Startup
- United States
Orisift
Phone, email, IP and domain validation API with traceable evidence
- Same category
- United Kingdom