SerpKite 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.

SerpKite compared with heysteff SDK
Detail	SerpKite	heysteff SDK
What it does	Google search API for AI agents with JSON or Markdown results, SDKs for TypeScript, Python and Go, plus MCP	Official TypeScript SDK for sending messages, managing files and templates, with retries and webhook verification
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Not given
Pricing	Free: 2,500 credits at signup, 1,500 additional when linking GitHub or Google, 1,000 free every month. Starter: $10 for 10,000 credits ($1.00 per 1,000). Growth: $50 for 62,500 credits ($0.80 per 1,000). Pro: $300 for 500,000 credits ($0.60 per 1,000). Volume: Custom pricing from $0.18 per 1,000 for	Not given
Key features	Six search engines with automatic fallback and consensus metasearch Markdown and compact JSON output optimized for LLMs Fetch top 1-5 result pages as Markdown in one call AI-generated cited answers and deep research reports Batch lane for 100 queries at half credit cost with webhook delivery Remote MCP server for Claude, Cursor, ChatGPT and other MCP clients Twelve search verticals: web, news, images, videos, maps, places, shopping, scholar, patents and more Query logging disabled; results cached only under request hash for privacy	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	Credits never expire; failed and empty requests are refunded Resolved destination URLs instead of Google redirect links Every SERP feature in one search: answer box, knowledge graph, People Also Ask Per-page pricing with no subscriptions, with rate limits and spend caps per key	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 votes	0	0
DR (Domain Rating by Ahrefs)	27 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	27	0
Referring domains (Majestic)	33	0

3 details filled in for both companies.

More alternatives to SerpKite More alternatives to heysteff SDK