Pay-per-call x402 gateway for AI agents: 60+ live services. Payment smoke tests, receipts and .tine provenance, agent identity/attestation, web and finance data from $0.001, on-chain Ethereum, robotics authority audits, security scans. USDC on Base.
Everything here was measured by our prober or read from a registry. Nothing is self-reported.
| when | check | result | http | latency | detail |
|---|---|---|---|---|---|
| 48 min ago | mcp initialize | ok | 200 | 372 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 2 h ago | mcp initialize | ok | 200 | 400 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 3 h ago | mcp initialize | ok | 200 | 394 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 4 h ago | mcp initialize | ok | 200 | 379 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 5 h ago | mcp initialize | ok | 200 | 363 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 6 h ago | mcp initialize | ok | 200 | 400 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 7 h ago | mcp initialize | ok | 200 | 391 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 8 h ago | mcp initialize | ok | 200 | 406 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 9 h ago | mcp initialize | ok | 200 | 383 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
| 10 h ago | mcp initialize | ok | 200 | 483 ms | server ddg-agent-services 1.28.0 · protocol 2025-06-18 · 54 tools |
Attributed to the source that supplied each field. Treated as claims, not facts.
DDG Agent-Payable Services is a pay-per-call x402/direct-crypto gateway for AI agents. Settlement in USDC on Base (eip155:8453), payTo 0x8AfBD522F8a16BEa184b41c593B8925a66830Bc6. 168 OpenAPI-documented operations across 8 families: (1) TRUST LAYER - tx-smoke-test ($0.01 settlement receipt), receipt-verify, agent-attestation, agent-registry, credential-escrow-proxy; (2) E2 TRUST PRIMITIVES - agent-reputation-lookup $0.002 (DDG-rail settlement history, privacy-hashed), seller-trust-badge $0.003 (live conformance check: manifest, 402 shape, extra.name, payTo consistency -> gold/silver/bronze), dispute-evidence-pack $0.05 (sha256-pinned evidence bundle), receipt-escrow-release $0.01 (operator-verified escrow); (3) PROVENANCE - 8 .tine routes from $0.005 (run-capture, replay-verify, diff, otel-export, attestation-bundle); (4) E1 COMMODITIES - html-to-structured $0.002, table-extract $0.003, regex-builder $0.002 (20 templates + ReDoS risk), card-fingerprint $0.002, address-validate $0.003, calendar-parse $0.001, phone-intel $0.002, domain-age $0.001; (5) DATA/FINANCE - web-search, fetch-as-markdown, embeddings $0.0005, stock/fx/commodity prices, prediction markets, DEX pairs, Ethereum rpc/archive/logs/traces with automatic public-RPC fallback; (6) E3 ROBOTICS - 12 machine-authority audits $0.01-$0.02 (fleet quota, geo-fence, human-takeover, multi-robot delegation contracts + the original 7); (7) E4 MODEL ECONOMY (LOCAL ONLY) - model/compare $0.01 (multi-model agreement on DDG-owned Ollama capacity), token-estimate $0.001, prompt-cost-budget $0.002; (8) E5 CRYPTO - eth/gas, wallet-snapshot, tx-status, token-meta, crypto/price, gas-multi, portfolio $0.001-$0.003. FREE lead magnets: micro-model-swarm preview (27+ local models incl. fine-tunes), Ollama catalog + model requests, skill safety scan, model catalog. Every paid call returns a verifiable receipt. PayAPI-reviewed endpoints: tx-smoke-test, site-audit, agent-checkout-conformance-audit. Discovery: /.well-known/x402, /openapi.json, /.well-known/agent-catalog.json. Verified: settlement-proven on Base USDC.
Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.
Every source is kept verbatim. Field changes are logged as events.