generated: '2026-09-11'
method: probed
source: >-
  Live /v1/quote machine endpoint (product=capture and product=guarded-action-pilot),
  /.well-known/x402, and the OpenAPI x-payment-info blocks. No subscription tiers
  are published; DELTA is strictly pay-per-call via x402.
model: pay-per-use
currency: USDC
network: eip155:8453 (Base mainnet)
billing: per-call, upfront x402 settlement (no subscription)
plan_count: 3
plans:
  - name: Capture
    price: '1'
    currency: USD
    unit: per call
    operation: POST /v1/capture
    note: >-
      Floor-aware price; /v1/quote?product=capture reports configuredPriceUsd 1,
      minimumPriceUsd ~0.0082, target margin 6500bps.
  - name: Preflight (Guard)
    price: '5'
    currency: USD
    unit: per call
    operation: POST /v1/preflight
  - name: Guarded-Action Pilot
    price: '10'
    currency: USD
    unit: flat package (1-3 URLs + optional 1 preflight)
    operation: POST /v1/guarded-action-pilot
    note: Exactly $10, no subscription. Confirmed via /v1/quote?product=guarded-action-pilot.
free_surface:
  - GET /health
  - GET /v1/quote
  - GET /v1/demo
  - GET /v1/proofs/{proof_id}
recurring_watch:
  available: partner-only
  note: >-
    Recurring Watch is sold only through authenticated prepaid partner/reseller
    gateways (delta-witness-partner-gateway.ruphussten.workers.dev), not the
    public API.