head to head/Developer Tools

eSign PDF vs KalshiSpy

Neck and neck on boosts. Profiles, pricing and deals below.

eSign PDF

Get Documents Signed from ChatGPT, Claude or Cursor

community boosts

⚡ 0

pricing

Freemium

what it is

Connect Portant to ChatGPT, Claude, Claude Code or Cursor. Your assistant sends the document, the signer signs in a browser, and you get the signed PDF.

KalshiSpy

Kalshi API & MCP Server for ChatGPT, Claude and Agents

community boosts

⚡ 0

pricing

Paid

what it is

Kalshi market data for agents: a public REST API of settled results, a keyed live feed of verified trader positions, OpenAPI 3.1 and a hosted MCP server.