{"id":"ee2033a1-d03b-4540-836a-f5fbc939c3d3","shortId":"xfpkj9","kind":"x402","title":"Bridge trust assessment and exploit history via x402-paid API on Base","tagline":"Bridge trust assessment and exploit history via x402-paid API on Base","description":"The `/api/protocol/bridge-risk` endpoint is part of DeFi Shield, a suite of 69 paid API endpoints providing security intelligence for autonomous AI agents. This specific endpoint assesses cross-chain bridge trust and exploit history. It accepts POST requests and charges $0.50 per call in USDC via the x402 protocol on Base.\n\nDeFi Shield covers 11 categories of DeFi security analysis including protocol intelligence, wallet profiling, MEV detection, NFT analysis, safety compliance, and real-time monitoring. The bridge-risk endpoint sits within the Protocol Intelligence category alongside endpoints for TVL decomposition, governance risk, oracle risk, and protocol comparison. All endpoints follow the same payment flow: the agent sends a POST with an x402 payment header, the facilitator verifies USDC payment on Base, the endpoint processes the request and returns JSON, and payment settles only on successful response.\n\nFree discovery is available via GET on any endpoint path, and a health endpoint at `/api/health` lists all endpoints with pricing. An A2A discovery card is served at `/.well-known/agent-card.json`. No OpenAPI schema or detailed documentation page was found during crawling — the docs, pricing, and README paths all return 404. The exact request schema for bridge-risk is not documented in the crawled material, so the expected input fields (e.g., bridge name or protocol identifier) must be inferred or discovered via the free GET discovery on the endpoint.","tags":[],"capabilities":["bridge-risk-assessment","exploit-history","protocol-intelligence","x402-payment","usdc-base-settlement","defi-security","cross-chain-analysis","agent-to-agent-api"],"categories":["defi","security","crypto"],"synonyms":["bridge security","cross-chain bridge risk","bridge exploit history","bridge trust score","DeFi bridge analysis","protocol bridge audit","bridge vulnerability"],"warnings":["No OpenAPI or JSON schema available for request/response validation","Docs page returns 404 — no detailed endpoint documentation exists","The x402 challenge object was empty (no payment parameters captured), so exact payment details (token address, network, amount in base units) could not be independently verified","Request body fields (e.g., 'protocol') are inferred from context, not documented"],"endpointUrl":"https://defi-shield-hazel.vercel.app/api/protocol/bridge-risk","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0814d35F25F2EF3Dffa4aEF4d137558D5E51Ed7b","amount":"500000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live (402 challenge captured) and the landing page provides clear pricing ($0.50/call) and payment flow details. However, no OpenAPI schema, detailed docs, or example responses were found. The request body schema is inferred, not documented. The x402 challenge object was empty, providing no additional payment 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'/api/health':180 '/api/protocol/bridge-risk':28 '0.50':67 '11':81 '404':213 '69':38 'DeFi bridge analysis' 'a2a':187 'accept':62 'agent':48,134 'agent-to-agent-api' 'ai':47 'alongsid':114 'analysi':86,95 'api':11,24,40 'assess':3,16,52 'autonom':46 'avail':168 'base':13,26,77,149 'bridg':1,14,56,105,220,235 'bridge exploit history' 'bridge security' 'bridge trust score' 'bridge vulnerability' 'bridge-risk':104,219 'bridge-risk-assessment' 'call':69 'card':189 'categori':82,113 'chain':55 'charg':66 'comparison':125 'complianc':97 'cover':80 'crawl':204,227 'cross':54 'cross-chain':53 'cross-chain bridge risk' 'cross-chain-analysis' 'decomposit':118 'defi':33,78,84 'defi-security' 'detail':198 'detect':93 'discov':244 'discoveri':166,188,249 'doc':206 'document':199,224 'e.g':234 'endpoint':29,41,51,107,115,127,151,173,178,183,252 'exact':215 'expect':231 'exploit':5,18,59 'exploit-history' 'facilit':144 'field':233 'flow':132 'follow':128 'found':202 'free':165,247 'get':170,248 'govern':119 'header':142 'health':177 'histori':6,19,60 'identifi':239 'includ':87 'infer':242 'input':232 'intellig':44,89,112 'json':157 'list':181 'materi':228 'mev':92 'monitor':102 'must':240 'name':236 'nft':94 'openapi':195 'oracl':121 'page':200 'paid':10,23,39 'part':31 'path':174,210 'payment':131,141,147,159 'per':68 'post':63,137 'price':185,207 'process':152 'profil':91 'protocol':75,88,111,124,238 'protocol bridge audit' 'protocol-intelligence' 'provid':42 'readm':209 'real':100 'real-tim':99 'request':64,154,216 'respons':164 'return':156,212 'risk':106,120,122,221 'safeti':96 'schema':196,217 'secur':43,85 'send':135 'serv':191 'settl':160 'shield':34,79 'sit':108 'specif':50 'success':163 'suit':36 'time':101 'trust':2,15,57 'tvl':117 'usdc':71,146 'usdc-base-settlement' 'verifi':145 'via':7,20,72,169,245 'wallet':90 'within':109 'x402':9,22,74,140 'x402-paid':8,21 'x402-payment'","prices":[{"id":"0bd0d993-9107-4202-8311-88d36f9a8884","listingId":"ee2033a1-d03b-4540-836a-f5fbc939c3d3","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x0814d35F25F2EF3Dffa4aEF4d137558D5E51Ed7b","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0814d35F25F2EF3Dffa4aEF4d137558D5E51Ed7b","amount":"500000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:41.110Z"}],"sources":[{"listingId":"ee2033a1-d03b-4540-836a-f5fbc939c3d3","source":"x402_bazaar","sourceId":"https://defi-shield-hazel.vercel.app/api/protocol/bridge-risk","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:41.110Z","lastSeenAt":"2026-04-22T05:32:34.027Z"}],"details":{"listingId":"ee2033a1-d03b-4540-836a-f5fbc939c3d3","quickStartSnippet":"# Free discovery (no payment needed)\ncurl https://defi-shield-hazel.vercel.app/api/protocol/bridge-risk\n\n# Paid request (requires x402 payment header)\ncurl -X POST https://defi-shield-hazel.vercel.app/api/protocol/bridge-risk \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{\"protocol\": \"multichain\"}'","exampleRequest":{"protocol":"multichain"},"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Bridge-risk endpoint charges $0.50 per call and provides bridge trust and exploit history","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"69 paid API endpoints selling security intelligence to autonomous AI agents, pay per request with USDC via x402 protocol on Base","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"Payment settles only on successful response; free discovery available via GET on any endpoint","source_url":"https://defi-shield-hazel.vercel.app"},{"claim":"A2A discovery card served at /.well-known/agent-card.json","source_url":"https://defi-shield-hazel.vercel.app"}],"useCases":["Autonomous agents evaluating bridge safety before executing cross-chain transfers","Portfolio managers assessing bridge risk exposure across multi-chain positions","Security researchers querying exploit history for specific bridge protocols","DeFi dashboards integrating bridge trust scores into risk displays","Automated trading bots checking bridge reliability before routing funds cross-chain"],"bestFor":["AI agents needing programmatic bridge risk data with pay-per-call pricing","Cross-chain DeFi operations requiring trust verification before bridging assets","Security-focused workflows that need bridge exploit history on demand"],"notFor":["Users who need free or subscription-based bridge analytics without per-call payment","Applications requiring real-time bridge monitoring or streaming alerts (this is a one-shot query endpoint)","Non-crypto use cases unrelated to DeFi bridge security"],"kindDetails":{},"updatedAt":"2026-04-22T02:49:52.508Z"}}