{"uid":"cap_bzT-XRZyRlNnkoKfX9aGn","slug":"limitguard-pro-api-key-upgrade-f64e5553","name":"LimitGuard Pro API Key Upgrade","description":"Check every lead against official business registers, VAT and sanctions lists. Proceed, review or block, with the source. 5 lead checks free.","url":"https://api.limitguard.ai/v1/keys/upgrade/pro?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"note":{"type":"string"},"input":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":[],"properties":{}},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}},"sandbox":{"type":"object","required":["url"],"properties":{"url":{"type":"string"},"curl":{"type":"string"},"note":{"type":"string"}}},"recovery":{"type":"object","required":["url"],"properties":{"url":{"type":"string"},"curl":{"type":"string"}}},"prepaidBalance":{"type":"object","required":["balance_usd","price_usd"],"properties":{"note":{"type":"string"},"topup":{"type":"object","required":["url"],"properties":{"url":{"type":"string"},"curl":{"type":"string"},"minimum_usd":{"type":"integer"}}},"reason":{"type":"string"},"price_usd":{"type":"number"},"balance_usd":{"type":["number","null"]}}},"documentation_url":{"type":"string"},"cachedTierAvailable":{"type":"boolean"}}},"responseSchema":{"type":"json","example":{"status":"ok"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"999","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$999/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"999","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"999","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2q1t4lRQDC8MuKVlupU46","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"999","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Upgrades an API key to the Pro tier on LimitGuard's trust intelligence platform","exampleAgentPrompt":"Upgrade my LimitGuard API key to the Pro tier so I can access all 8 data sources for full trust scoring on entities.","exampleUseCases":[{"title":"Unlock full compliance data sources","prompt":"I need to upgrade my LimitGuard account to Pro so I can run full entity trust checks across all 8 data sources — right now I'm only getting partial results."},{"title":"Enable advanced agent trust verification","prompt":"My LimitGuard API key is on the free tier and I need Pro access to verify AI agent identities before letting them participate in transactions — can you upgrade it?"},{"title":"Activate pro-tier sanctions and PEP screening","prompt":"Upgrade my LimitGuard key to Pro so I can start getting full compliance assessments including sanctions screening, PEP checks, and adverse media for the entities I'm onboarding."}],"resultDescription":"Returns a JSON object with status 'ok' confirming the API key has been successfully upgraded to the Pro tier, granting access to expanded trust scoring capabilities including up to 8 data sources.","failureModes":["Insufficient USDC balance — payment of $999 USDC required","API key not found or invalid — key must exist before upgrading","Already on Pro tier — upgrade not applicable","Payment authorization failure via x402 protocol","Network timeout during upgrade transaction"],"whenToPreferThis":"Use this endpoint when you need to unlock Pro-tier features on LimitGuard, specifically when existing API key capabilities are insufficient and you need access to all 8 data sources for full trust scoring, sanctions screening, PEP checks, and advanced compliance reports. Choose this over account portal upgrades when automating provisioning in agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:40:41.879Z","isFirstParty":false,"canonicalSlug":"limitguard-pro-api-key-upgrade-f64e5553"}