DubbleBlack
activeBehavioral commerce evidence for product recommendations. Powder helps agents determine whether observed commerce behavior supports a product recommendation. Agents can query products and shopping decisions across Powder's current consumer-product evidence inventory.
Settled via Coinbase.
- Transactions · 30d
- 33
- Volume · 30d
- $3.30
- Unique buyers · 30d
- 9
- Uptime · 30d
- 100.0%
- Latency p50
- 429ms
- Reported calls · 30d
- 30
Endpoints (3 live)
POST/api/agent/evidence— Canonical paid interface backed by Evidence Engine V2. Submit a natural-language query; vertical is an optional routing hint. Explicit two-subject text comparisons return independently attributed evidence, coverage, provenance, limitations, and per-subject scores, with no winner or aggregate comparison score. A one-element brands array is accepted for single-subject compatibility. budget_min, budget_max, and include_insufficient_evidence are rejected; ambiguous multi-selector requests are reject (0.1 USDC on Base)POST/zeroclick/agent/quote— Free DubbleBlack seller advisor: API contracts, prices and purchase steps. No purchase is executed. (0 USDC on Base)POST/api/agent/evidence/v2— Preview additive route. Accepts natural-language commerce evidence questions and optional routing hints without requiring predefined category codes. At least one meaningful selector is required. This route is not the current paid default and does not make recommendations. (0.1 USDC on Base)
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