SNHP Negotiation API

Tier 1: multi-round bargaining

Operations 15

POST /v1/negotiate/turn Plain-terms negotiation: dollars in, a dollar counter + message out #
POST /v1/negotiate/bundle Multi-issue negotiation: logroll across several linked issues #
POST /v1/a2a/open_session Verify both peers and derive peer_mode server-side #
POST /v1/a2a/next_offer Offer recommendation using the SESSION's verified peer_mode #
POST /v1/a2a/settle Emit signed AP2 Intent/Cart mandates for the agreed deal #
POST /v1/advice/session Open Advice Session #
POST /v1/advice/move Advice Move #
POST /v1/advice/bundle Advice Bundle Move #
POST /v1/advice/close Close Advice Session #
POST /v1/negotiation/sell/next_offer Sell-side next-offer recommendation #
POST /v1/negotiation/buy/next_offer Buy-side next-offer recommendation with defense bundle #
POST /v1/dispute/negotiate Run a refund-dispute settlement negotiation: unaided vs. SNHP-coached #
POST /v1/negotiation/detect_anchor_attack Z-score anchor-attack detection #
POST /v1/negotiation/declare_first_strike Cryptographic commit to a buyer reservation (signed attestation) #
POST /v1/negotiation/reveal_first_strike Reveal a first-strike commitment to obtain the binding offer #

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OpenAPI Specification

snhp-dev-negotiation-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Game Theory Layer for AI Agents Negotiation API
  description: 'Start with ONE tool: POST /v1/negotiate/turn — plain-dollar price negotiation (your walk-away + the other side''s offers in dollars -> the counter to send, a ready-to-send message, accept/walk advice).'
  version: 0.1.0
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/snhp-dev/refs/heads/main/openapi/snhp-dev-negotiation-api-openapi.yml