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No data -> 422 no_charge, not billed. $0.25 per call.","outputSchema":{"input":{"type":"http","method":"GET","example":{"entity":"tornado-alley-core","format":"thin"},"required":["entity"],"properties":{"entity":{"type":"string","examples":["tornado-alley-core","tx-panhandle-hail","central-kansas","high-plains-hail-alley","front-range-co","northern-plains"],"description":"required - monitored object id, paired with signal_id; free list at GET /gauge/catalog?signal_id=<signal_id> -> signals[0].entities[]","x-accepted-values":{"all":"https://api.truthbear.co/schemas/gauge-severe-convection-region.input.json","shown":6,"total":16}}},"queryParams":{"entity":"required - monitored object id, paired with signal_id; free list at GET /gauge/catalog?signal_id=<signal_id> -> signals[0].entities[]"},"discoverable":true,"exampleRequest":"/gauge/severe-convection-region?entity=tornado-alley-core&format=thin"},"output":{"type":"object","required":["nature","legs"],"properties":{"legs":{"type":"object","description":"CORE DELIVERY: per-leg readings, keyed by leg name (e.g. drought/heat/crop-vhi); each value carries signal_id/current/observed_at/data_age_hours/record_hash"},"name":{"type":["string","null"],"description":"Human-readable name of the object"},"note":{"type":"string","description":"Conditional - endpoint-specific honest disclosure (limits, granularity, disclaimer); some endpoints omit it"},"grade":{"type":["string","null"],"description":"Honest data-grade disclosure (e.g. \"screening-level, not decision-grade\")"},"scope":{"type":["string","null"],"description":"Honest statement of scope and limits: monitoring is not forecasting, intelligence is not instruction, and the boundary of what is verifiable"},"entity":{"type":"string","description":"The object key of this bundle - the ?entity= you passed in"},"nature":{"type":"string","description":"Neutrality statement: GAUGE supplies observations and trend description only - no judgement, no prediction, no recommendation"},"_citation":{"type":["object","null"],"description":"Offline-verifiable citation: {statement_type, not_advice:bool, claim, fact, source, record_hash, signature(Ed25519), key_id, issuer_DID(did:key), verify_url} - the trust root for zero-trust self-verification"},"provenance":{"type":["object","null"],"description":"Data lineage: {served_from, data_as_of, oldest_leg_as_of, data_age_hours (frozen age, reference only), age_hours_now (age computed at request time - the real basis for freshness), freshness(fresh|recent|stale), freshness_basis (the cadence and threshold used for this row, as a string), dead_source (optional: upstream frozen or discontinued), data_lineage:[{signal,traceable_to,uncertainty,record_hash,...}], validation_status}. Freshness is cadence-aware, so monthly/quarterly/annual official lines are not misjudged against a 24h rule; the same basis is used by free /gauge/coverage. Buyers can trace back to the official source"},"data_timespans":{"type":"array","items":{"type":"object","additionalProperties":true},"description":"Per-leg observation time and hours elapsed since"},"decision_points":{"type":["object","null"],"description":"{count, points:[{tag,current,swappable,how}], note} - decision points you can re-run with a swapped tag (one swapped tag = one call); leave it alone and the original context is the default, at no extra charge"},"cross_line_narrative":{"type":"string","description":"Cross-line comparison narrative (purely descriptive; no judgement, no prediction)"}},"additionalProperties":true,"conditionalProperties":{"last_fact":{"type":["object","null"],"description":"Most recent qualifying fact for this line and entity, attached centrally (may be absent when the line has no qualifying fact yet)"},"decision_points":{"type":["object","null"],"description":"Swappable decision points for this entity, attached centrally: {count, points:[{tag,current,swappable,how}], note}. Present only when the entity has at least one swappable tag in the index, so bundles for entities without one omit it"},"leg_availability":{"type":["object","null"],"description":"Per-leg degradation disclosure: which legs are present, which are degraded and why. Present only when at least one leg is degraded"},"record_hash_verifiable":{"type":["object","null"],"description":"Whether this response can recompute its own record_hash offline. Present only when the payload carries a top-level record_hash; may be absent on list-shaped deliveries where verifiability is stated per row instead"}}}},"maxAmountRequired":"250000","maxTimeoutSeconds":300},"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x2d16a243ba9fAcC6AC85519d5efad2149DC4C6c3","scheme":"exact","network":"base","amountAtomic":"250000"}],"bazaar_compatible":false,"bazaar_validated_at":"2026-10-15 11:57:00.478+00","bazaar_validation_error":"missing Bazaar extension"},"sonar_metrics":{"score":0.8113,"uptime":1,"paid_success_rate":0,"valid_result_rate":null,"latency_p50":292,"latency_p90":595,"price_drift_pct":0},"cdp_indexed":false,"confidence":"high"}