{"id":"90ca9777-7a2d-42f5-8336-efd1758d7dc1","shortId":"a2qREQ","kind":"mpp","title":"Pay-per-use web search returning structured results via Browserbase headless browsers.","tagline":"Pay-per-use web search returning structured results via Browserbase headless browsers.","description":"Browserbase's /search endpoint provides web search with structured results, priced at $0.01 per request. It is part of the Browserbase Payment Gateway, which offers pay-per-use headless browser sessions, web search, and page fetching for AI agents. The service requires no API keys or accounts — callers pay per request using crypto (USDC on Base via x402, or Tempo chain via MPP).\n\nThe /search endpoint accepts POST requests and returns structured search results. It sits alongside companion endpoints for browser session management ($0.12/hour) and page fetching ($0.01/request). The gateway advertises support for both the x402 protocol (HTTP 402 + X-PAYMENT header with USDC on Base) and the MPP protocol on Tempo mainnet.\n\nNote: During probing, the /search endpoint returned 404 on both HEAD and GET methods rather than the expected 402 MPP challenge. Since the endpoint is documented as accepting POST requests, the probe may have used the wrong HTTP method. The endpoint's actual liveness via POST could not be confirmed from the probe data alone.","tags":["browser","scraping","automation","headless","search","fetch"],"capabilities":["web-search","structured-results","pay-per-request","headless-browser","crypto-payment","x402","mpp","usdc-on-base","tempo-mainnet"],"categories":["search","web"],"synonyms":["web search API","structured search results","browserbase search","headless browser search","pay-per-use search","crypto search API","agent web search"],"warnings":["Probe returned 404 on HEAD and GET; the endpoint is documented as POST-only, so liveness via POST could not be confirmed","No OpenAPI or schema documentation available — request and response formats are inferred","Docs, API, pricing, and README pages all returned 'Cannot GET' errors","Example response JSON is unavailable; structured result format is unknown"],"endpointUrl":"https://mpp.browserbase.com/search","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"mpp.browserbase.com","intent":"charge","method":"tempo","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]},"stripe":{"assets":["usd"],"intents":["charge"]}}}},"qualityScore":"0.400","qualityRationale":"The endpoint is documented on the provider's landing page with pricing ($0.01/request) and method (POST /search), but the probe did not capture a 402 MPP challenge (returned 404 on HEAD/GET — likely because the endpoint only accepts POST). No OpenAPI schema, no response examples, and no dedicated docs pages were available. The request/response schemas are 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'/request':117 '/search':29,92,148 '0.01':39,116 '0.12':111 '402':128,162 '404':151 'accept':94,171 'account':74 'actual':186 'advertis':120 'agent':66 'agent web search' 'ai':65 'alon':198 'alongsid':104 'api':71 'base':83,136 'browser':13,26,57,108 'browserbas':11,24,27,47 'browserbase search' 'caller':75 'chain':88 'challeng':164 'companion':105 'confirm':193 'could':190 'crypto':80 'crypto search API' 'crypto-payment' 'data':197 'document':169 'endpoint':30,93,106,149,167,184 'expect':161 'fetch':63,115 'gateway':49,119 'get':156 'head':154 'header':132 'headless':12,25,56 'headless browser search' 'headless-browser' 'http':127,181 'key':72 'live':187 'mainnet':143 'manag':110 'may':176 'method':157,182 'mpp':90,139,163 'note':144 'offer':51 'page':62,114 'part':44 'pay':2,15,53,76 'pay-per-request' 'pay-per-us':1,14,52 'pay-per-use search' 'payment':48,131 'per':3,16,40,54,77 'post':95,172,189 'price':37 'probe':146,175,196 'protocol':126,140 'provid':31 'rather':158 'request':41,78,96,173 'requir':69 'result':9,22,36,101 'return':7,20,98,150 'search':6,19,33,60,100 'servic':68 'session':58,109 'sinc':165 'sit':103 'structur':8,21,35,99 'structured search results' 'structured-results' 'support':121 'tempo':87,142 'tempo-mainnet' 'usdc':81,134 'usdc-on-base' 'use':4,17,55,79,178 'via':10,23,84,89,188 'web':5,18,32,59 'web search API' 'web-search' 'wrong':180 'x':130 'x-payment':129 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results"},"asset_contract":"0x20c000000000000000000000b9537d11c60e8b50"},"createdAt":"2026-04-18T19:58:59.628Z"}],"sources":[{"listingId":"90ca9777-7a2d-42f5-8336-efd1758d7dc1","source":"mpp_dev","sourceId":"browserbase:POST:/search","sourceUrl":"https://mpp.dev/api/services","isPrimary":true,"firstSeenAt":"2026-04-18T19:58:59.628Z","lastSeenAt":"2026-04-22T13:45:06.814Z"}],"details":{"listingId":"90ca9777-7a2d-42f5-8336-efd1758d7dc1","quickStartSnippet":"npx mppx POST https://mpp.browserbase.com/search -d '{\"query\": \"latest AI research papers\"}'","exampleRequest":{"query":"latest AI research papers"},"exampleResponse":null,"schema":{"path":"/search","method":"POST","payment":{"amount":"10000","intent":"charge","method":"tempo","currency":"0x20c000000000000000000000b9537d11c60e8b50","decimals":6,"unitType":"request","description":"Web search with structured results"},"description":"Web search with structured results"},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The /search endpoint costs $0.01 per request","source_url":"https://mpp.browserbase.com"},{"claim":"The endpoint accepts POST requests for web search with structured results","source_url":"https://mpp.browserbase.com"},{"claim":"Payment is supported via USDC on Base (x402) and Tempo mainnet (MPP)","source_url":"https://mpp.browserbase.com"},{"claim":"Browser sessions are priced at $0.12/hour","source_url":"https://mpp.browserbase.com"},{"claim":"No API keys or accounts are required — pay-per-use model","source_url":"https://mpp.browserbase.com"}],"useCases":["AI agents performing web searches without managing API keys or accounts","Retrieving structured search results for RAG pipelines or research workflows","Programmatic web search with per-request micropayments","Augmenting LLM responses with live web search data"],"bestFor":["AI agents needing on-demand web search with no signup","Developers who want pay-per-use search without subscription commitments","Crypto-native workflows settling 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