Kairos Signal — verifiable DePIN data API

• register_agent — START HERE. One call: get $5 free credits + API key, instantly (no card, no human, no Stripe, ~5 seconds). Works immediately: query live DePIN telemetry (457 sy
• list_products — Browse all purchasable products with prices in credits ($1 = 1 credit). Includes DePIN supply-telemetry data, signal feed tiers ($9.99-$399.90/mo), DAG manifold
• purchase_data — Buy a product with your credits. Products: DePIN supply-telemetry snapshots, DAG manifold API (dag_pro/dag_quant/dag_enterprise), signal feed tiers, GPU compute
• topup_credits — Create a USDC top-up intent before transferring funds: provide from_address and follow the returned transfer instructions. Alternatively, get a Stripe checkout
• check_balance — Check your remaining credit balance. Use after purchases to see remaining credits.
• list_datasets — List all available datasets with record counts. Free to browse — market ticks, DePIN network stats, technical indicators, US county atlas, ZK footprints.
• get_stats — Get aggregate statistics from the databases
• get_data_dictionary — ONBOARDING SPEC: freshness, history depth, coverage and endpoints per feed (depin_onchain, depin_daily, health_profiles, signal_ledger, market_ticks, zk_footpri
• get_derivation_ledger — DERIVATION TRUTH: raw upstream payloads, SHA-256-pinned, with the exact collector code hash for each fetch. Replay any published value: fetch the verify_url you
• fetch_dataset — Query records from a dataset with limit/offset. Free tier: 10 records per query. For depin_onchain, raw archived observations, including rejected rows, are reta
• verify_footprint — Retained Merkle-membership check for one depin_onchain observation: stamp_day (YYYYMMDD), leaf_index (0-based row in /attestations/batch_<day>.tsv), expected_ro
• get_zk_provenance — Return cryptographic provenance proof for a record ID from current datasets.

No long description beyond the summary.