{"id":"81c48598-f46d-4c03-88ee-bc761db24635","shortId":"4WchLv","kind":"x402","title":"Extract and crawl content from URLs via Exa, paid per-call with USDC on Base.","tagline":"Extract and crawl content from URLs via Exa, paid per-call with USDC on Base.","description":"This endpoint, hosted on Toolkit.dev (staging), wraps the Exa crawling API behind an x402 paywall. You send a JSON body containing an array of URLs, and the service returns extracted content for each URL. Payment is handled via the x402 protocol: callers must include an X-PAYMENT header settling in USDC on the Base network.\n\nThe maximum cost per request is $0.05 (50,000 base units of USDC with 6 decimals). The endpoint accepts POST requests with a JSON body containing a single required field `urls` (an array). The response returns an object with a `results` array. The timeout is up to 300 seconds, accommodating potentially slow crawls of multiple pages.\n\nToolkit.dev is an open-source project that packages various LLM tools (including Exa search/crawl, GitHub, Notion, Google Calendar, etc.) as payable API endpoints and MCP servers. This particular endpoint focuses on Exa's crawling capability — fetching and extracting readable content from specified web pages. Note that this is a staging deployment, so availability and stability may differ from a production environment.","tags":[],"capabilities":["url-content-extraction","web-crawling","x402-payment","usdc-base-settlement","batch-url-processing"],"categories":["search","web-scraping"],"synonyms":["exa crawl","web scraper","url extractor","page content fetcher","exa content extraction","web page reader","site crawler"],"warnings":["Staging deployment — endpoint stability and availability are not guaranteed.","No detailed API documentation available (docs pages require authentication).","Response schema only specifies a 'results' array without defining item structure; the example response is inferred.","No OpenAPI or formal schema beyond the x402 outputSchema."],"endpointUrl":"https://staging.toolkit.dev/api/tool/exa/crawling","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0cC2CDC0EB992860d6c2a216b1DC0895fD2DF82F","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://staging.toolkit.dev/api/tool/exa/crawling","description":"Extract content from specific URLs","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"urls":{"type":"array","required":true}}},"output":{"type":"object","required":["results"],"properties":{"results":{"type":"array","required":true}}}},"maxAmountRequired":"50000","maxTimeoutSeconds":300}]},"qualityScore":"0.550","qualityRationale":"The x402 challenge is live and provides a clear outputSchema with input/output fields, pricing, and network details. However, there is no OpenAPI spec, no detailed documentation (docs/pricing/API pages all require login), and the response schema's results array items are not specified. The endpoint is on a staging domain, adding uncertainty about long-term 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'000':97 '300':136 '50':96 '6':103 'accept':107 'accommod':138 'api':43,167 'array':55,121,130 'avail':198 'base':16,32,87,98 'batch-url-processing' 'behind':44 'bodi':52,113 'calendar':163 'call':12,28 'caller':74 'capabl':180 'contain':53,114 'content':4,20,63,185 'cost':91 'crawl':3,19,42,141,179 'decim':104 'deploy':196 'differ':202 'endpoint':34,106,168,174 'environ':206 'etc':164 'exa':8,24,41,158,177 'exa content extraction' 'exa crawl' 'extract':1,17,62,183 'fetch':181 'field':118 'focus':175 'github':160 'googl':162 'handl':69 'header':81 'host':35 'includ':76,157 'json':51,112 'llm':155 'maximum':90 'may':201 'mcp':170 'multipl':143 'must':75 'network':88 'note':190 'notion':161 'object':126 'open':149 'open-sourc':148 'packag':153 'page':144,189 'page content fetcher' 'paid':9,25 'particular':173 'payabl':166 'payment':67,80 'paywal':47 'per':11,27,92 'per-cal':10,26 'post':108 'potenti':139 'product':205 'project':151 'protocol':73 'readabl':184 'request':93,109 'requir':117 'respons':123 'result':129 'return':61,124 'search/crawl':159 'second':137 'send':49 'server':171 'servic':60 'settl':82 'singl':116 'site crawler' 'slow':140 'sourc':150 'specifi':187 'stabil':200 'stage':38,195 'timeout':132 'tool':156 'toolkit.dev':37,145 'unit':99 'url':6,22,57,66,119 'url extractor' 'url-content-extraction' 'usdc':14,30,84,101 'usdc-base-settlement' 'various':154 'via':7,23,70 'web':188 'web page reader' 'web scraper' 'web-crawling' 'wrap':39 'x':79 'x-payment':78 'x402':46,72 'x402-payment'","prices":[{"id":"4edfec69-2478-4815-8db3-dc46aec698a4","listingId":"81c48598-f46d-4c03-88ee-bc761db24635","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"50000","chain":"base","payTo":"0x0cC2CDC0EB992860d6c2a216b1DC0895fD2DF82F","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0cC2CDC0EB992860d6c2a216b1DC0895fD2DF82F","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://staging.toolkit.dev/api/tool/exa/crawling","description":"Extract content from specific URLs","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"urls":{"type":"array","required":true}}},"output":{"type":"object","required":["results"],"properties":{"results":{"type":"array","required":true}}}},"maxAmountRequired":"50000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:33.400Z"}],"sources":[{"listingId":"81c48598-f46d-4c03-88ee-bc761db24635","source":"x402_bazaar","sourceId":"https://staging.toolkit.dev/api/tool/exa/crawling","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:33.400Z","lastSeenAt":"2026-04-22T10:03:11.951Z"}],"details":{"listingId":"81c48598-f46d-4c03-88ee-bc761db24635","quickStartSnippet":"curl -X POST https://staging.toolkit.dev/api/tool/exa/crawling \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-token>\" \\\n  -d '{\"urls\": [\"https://example.com\"]}'","exampleRequest":{"urls":["https://example.com","https://en.wikipedia.org/wiki/Web_scraping"]},"exampleResponse":{"results":[{"url":"https://example.com","content":"This domain is for use in illustrative examples in documents..."},{"url":"https://en.wikipedia.org/wiki/Web_scraping","content":"Web scraping is data scraping used for extracting data from websites..."}]},"schema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"urls":{"type":"array","required":true}}},"output":{"type":"object","required":["results"],"properties":{"results":{"type":"array","required":true}}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint returns a 402 challenge with maxAmountRequired of 50000 in USDC (asset 0x8335…) on Base network","source_url":"https://staging.toolkit.dev/api/tool/exa/crawling"},{"claim":"Toolkit.dev is an open-source project that pays contributors for merged PRs and packages LLM tools","source_url":"https://staging.toolkit.dev"},{"claim":"The x402 outputSchema specifies a POST with a required 'urls' array field and returns an object with a 'results' array","source_url":"https://staging.toolkit.dev/api/tool/exa/crawling"}],"useCases":["Extracting article text from a list of URLs for summarization pipelines","Feeding crawled web content into LLM context for research agents","Building datasets from specific web pages without managing scraping infrastructure","Programmatic content retrieval for RAG (retrieval-augmented generation) workflows"],"bestFor":["AI agents that need to read arbitrary web pages on demand","Developers wanting a pay-per-call web crawling API without subscriptions","Workflows requiring structured content extraction from known URLs"],"notFor":["Large-scale site-wide crawling (batch of thousands of URLs per call)","Real-time search or discovery of URLs — this crawls known URLs, not a search engine","Production-critical workloads (this is a staging deployment)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-03-14T23:30:47.456Z"},"updatedAt":"2026-04-22T10:03:11.951Z"}}