{"id":"f25ad9cd-59c2-4215-9100-e39703f2bc1c","shortId":"8mS7mP","kind":"mpp","title":"Pay-per-call web search returning structured results at $0.01/request via MPP/Tempo","tagline":"Pay-per-call web search returning structured results at $0.01/request via MPP/Tempo","description":"Parallel Search is an HTTP API endpoint (`POST /api/search`) that performs web searches and returns structured results with excerpts. It is part of the Parallel API Gateway, which also offers URL content extraction and deep async research tasks. The search endpoint accepts a query string (or an objective with explicit search queries) and supports two modes: \"one-shot\" for comprehensive results and \"fast\" for lower latency. Payment is handled via the Machine Payment Protocol (MPP) on the Tempo blockchain using pathUSD, at $0.01 per request.\n\nThe endpoint is payment-gated using HTTP 402 challenges. Callers use the `npx mppx` CLI or SDK, which automatically intercepts the 402 response, signs the payment on Tempo, and retries the request. No manual credential construction is needed. A rate limit of 60 requests per minute per IP applies, with 429 responses including a Retry-After header.\n\nThe broader Parallel gateway includes companion endpoints: `POST /api/extract` ($0.01/URL) for scraping and extracting structured content from web pages, and `POST /api/task` ($0.10 pro / $0.30 ultra) for deep asynchronous AI research tasks that return a run_id for polling. Free endpoints are available for polling task status (`GET /api/task/{runId}`) and checking wallet balances (`GET /api/wallet/balance/{address}`). All payments are final and settled immediately on-chain; no refunds are available.","tags":["search","web","extraction","research"],"capabilities":["web-search","structured-results","fast-mode","one-shot-mode","mpp-payment","tempo-settlement","pathusd-currency","rate-limited","http-402-gated"],"categories":["search","ai"],"synonyms":["web search API","internet search","parallel search","machine-paid search","mpp web search","structured web results","AI web search","pay-per-query search"],"warnings":["Probe returned 404 on HEAD and GET because the endpoint only accepts POST; this does not indicate the endpoint is down.","No response schema is documented — the shape of search results is unknown.","All payments are final with no refunds per the provider's stated policy.","/docs and /pricing pages return 404; documentation lives only on the homepage and GET /api."],"endpointUrl":"https://parallelmpp.dev/api/search","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"parallelmpp.dev","intent":"charge","method":"tempo","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}}}},"qualityScore":"0.720","qualityRationale":"Full OpenAPI schema with clear pricing, request body definitions, and examples. The endpoint is a POST-only route so the HEAD/GET probe returning 404 is expected and does not indicate downtime. No example response schema is documented, which prevents a higher 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'/api/search':37 '/api/task':196,223 '/api/wallet/balance':230 '/request':12,26 '/url':184 '0.01':11,25,112,183 '0.10':197 '0.30':199 '402':123,137 '429':166 '60':158 'AI web search' 'accept':70 'address':231 'ai':204 'also':57 'api':34,54 'appli':164 'async':64 'asynchron':203 'automat':134 'avail':217,245 'balanc':228 'blockchain':108 'broader':175 'call':4,18 'caller':125 'chain':241 'challeng':124 'check':226 'cli':130 'companion':179 'comprehens':89 'construct':151 'content':60,190 'credenti':150 'deep':63,202 'endpoint':35,69,116,180,215 'excerpt':47 'explicit':78 'extract':61,188 'fast':92 'fast-mode' 'final':235 'free':214 'gate':120 'gateway':55,177 'get':222,229 'handl':98 'header':173 'http':33,122 'http-402-gated' 'id':211 'immedi':238 'includ':168,178 'intercept':135 'internet search' 'ip':163 'latenc':95 'limit':156 'lower':94 'machin':101 'machine-paid search' 'manual':149 'minut':161 'mode':84 'mpp':104 'mpp web search' 'mpp-payment' 'mpp/tempo':14,28 'mppx':129 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web"},"asset_contract":"0x20c000000000000000000000b9537d11c60e8b50"},"createdAt":"2026-04-18T19:59:22.779Z"}],"sources":[{"listingId":"f25ad9cd-59c2-4215-9100-e39703f2bc1c","source":"mpp_dev","sourceId":"parallel:POST:/api/search","sourceUrl":"https://mpp.dev/api/services","isPrimary":true,"firstSeenAt":"2026-04-18T19:59:22.779Z","lastSeenAt":"2026-04-22T04:15:07.742Z"}],"details":{"listingId":"f25ad9cd-59c2-4215-9100-e39703f2bc1c","quickStartSnippet":"# 1. Create a Tempo wallet\nnpx mppx account create\n\n# 2. Fund with pathUSD, then search:\nnpx mppx https://parallelmpp.dev/api/search --method POST -J '{\"query\":\"AI funding 2026\",\"mode\":\"one-shot\"}'","exampleRequest":{"mode":"one-shot","query":"AI funding 2026"},"exampleResponse":null,"schema":{"path":"/api/search","method":"POST","payment":{"amount":"10000","intent":"charge","method":"tempo","currency":"0x20c000000000000000000000b9537d11c60e8b50","decimals":6,"unitType":"request","description":"Search the web"},"description":"Search the web"},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Search endpoint costs $0.01 per request, settled in pathUSD on Tempo","source_url":"https://parallelmpp.dev/api"},{"claim":"Two search modes: one-shot (comprehensive) and fast (lower latency)","source_url":"https://parallelmpp.dev"},{"claim":"Rate limit is 60 requests per minute per IP","source_url":"https://parallelmpp.dev"},{"claim":"All payments are final; no refunds once confirmed on-chain","source_url":"https://parallelmpp.dev/api"},{"claim":"Payment amount is 10000 base units of pathUSD (6 decimals) = $0.01","source_url":"https://parallelmpp.dev/api"},{"claim":"Companion endpoints include /api/extract at $0.01/URL and /api/task at $0.10–$0.30","source_url":"https://parallelmpp.dev"}],"useCases":["AI agents performing web research without browser access","Automated pipelines that need structured search results with excerpts","Multi-hop research workflows combining search, extraction, and deep tasks","Programmatic web search with micropayment settlement"],"bestFor":["AI agents needing on-demand web search via CLI or SDK","Developers wanting structured search results without API key management","Workflows requiring both fast and comprehensive search modes","Machine-to-machine web search with automatic crypto micropayments"],"notFor":["High-volume search requiring more than 60 requests/minute","Users who need free or ad-supported search","Applications requiring traditional API key authentication instead of crypto payments"],"kindDetails":{"docs":{"homepage":"https://parallelmpp.dev/#agents"},"tags":["search","web","extraction","research"],"realm":"parallelmpp.dev","status":"active","methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}},"provider":{"url":"https://parallel.ai","name":"Parallel"},"categories":["search","ai"],"service_id":"parallel","integration":"first-party","service_name":"Parallel","service_description":"Web search, page extraction, and multi-hop web research."},"updatedAt":"2026-04-22T04:15:07.742Z"}}