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Curviate vs heysteff SDK

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Curviate compared with heysteff SDK
DetailCurviate logo Curviateheysteff SDK logo heysteff SDK
What it doesLinkedIn API for AI agents with REST, CLI, MCP and SDK interfaces Official TypeScript SDK for sending messages, managing files and templates, with retries and webhook verification
StageStartup Not given
FoundedNot given Not given
Based inDE Not given
Pricing modelFree trial Not given
Pricing€20 per month per seat (one connected LinkedIn account) or €192 per year (20% discount). Includes all 120+ actions, all interfaces (REST API, CLI, MCP, SDK), Sales Navigator and Recruiter surfaces, webhooks, caching, and EU data residency. No tiers, add-ons, or per-action metering. 3-day free trial Not given
Key features
  • 120+ LinkedIn actions across Core, Sales Navigator, and Recruiter surfaces
  • Four interfaces: REST API, CLI, MCP server, and TypeScript SDK
  • Intelligent caching that protects your LinkedIn action budget
  • Live account safety tracking with LinkedIn's published limits
  • HMAC-signed webhooks with automatic retries and backoff
  • JSON output, stable exit codes, and structured errors for scripting
  • Account warmup and AES-256 credential encryption at rest
  • EU data residency with credentials never used for AI training
  • Inbox triage with sender profile enrichment and draft approval
  • Sales Navigator and Recruiter action support included in every seat
  • Send messages across WhatsApp Cloud and other channels
  • Upload and manage media files
  • Template support with parameters
  • Automatic retries with exponential backoff
  • Webhook signature verification
  • Pagination with cursor support
  • Detailed error handling with fix suggestions
  • No dependencies, uses native Fetch API
  • Access to all heysteff API endpoints
What makes it different
  • No procurement or enterprise contracts required; simple per-seat pricing with immediate access
  • Native LinkedIn flows instead of fragile scrapers or browser automation
  • Agent-designed CLI with exit codes and JSON output for reliable automation
  • Flat pricing with no tiers, add-ons, or per-action metering across all surfaces
  • Works across Node 20+, Deno, Bun and Cloudflare Workers with no dependencies
  • Built-in idempotency prevents duplicate messages and payments across system restarts
  • Automatic retry logic with growing delays and Retry-After header support
  • Webhook verification with timestamp validation
  • Full TypeScript types for API integration
Community votes00
DR (Domain Rating by Ahrefs)36 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)310
Referring domains (Majestic)340

3 details filled in for both companies.

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