{"id":"92eecfdc-b311-49b2-bd98-b9d4aa72fa17","shortId":"9PF9gp","kind":"x402","title":"Chat-based agent returning an interactive iPhone timeline from 2007 to 2023 via x402 micropayment.","tagline":"Chat-based agent returning an interactive iPhone timeline from 2007 to 2023 via x402 micropayment.","description":"This x402-enabled endpoint hosts a Questflow \"swarm\" agent that provides an interactive timeline of every iPhone model from 2007 to 2023. Users send a text message (via POST with a JSON body containing an \"input\" field) and receive a string response detailing key features, specifications, and the evolution of Apple's flagship smartphone line.\n\nThe endpoint is live on the Questflow platform (api-dev.intra-tls2.dctx.link) and requires an X-PAYMENT header conforming to the x402 protocol (version 1). Payment is accepted in USDC on the Base Sepolia testnet, with a maximum charge of 500,000 units (likely 0.50 USDC given 6-decimal USDC). The payment scheme is \"exact\" and the maximum timeout is 1200 seconds.\n\nDocumentation is sparse — no OpenAPI spec, no dedicated docs page, and no additional crawlable resources beyond the x402 challenge itself and the Questflow landing page. The output schema embedded in the challenge indicates a simple request/response pattern: POST a JSON object with an \"input\" string and receive a JSON object with a \"response\" string. Because this runs on a testnet (Base Sepolia), it is likely a development or demo deployment rather than a production service.","tags":[],"capabilities":["x402-payment","iphone-timeline","conversational-agent","usdc-base-sepolia","questflow-swarm","interactive-data"],"categories":["knowledge","conversational-agent"],"synonyms":["iPhone history","Apple smartphone timeline","iPhone evolution","iPhone specs","iPhone models 2007-2023","Questflow agent","x402 agent"],"warnings":["Runs on Base Sepolia testnet — likely a development/demo deployment, not production","No OpenAPI or dedicated documentation available","Response content and quality are inferred from the description; no actual paid response was observed","The example response JSON is fabricated based on the schema description, not from a real call"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0xAcaF8730D98bA64Ef2c94EF3b29BE214274C8AA8","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc","description":"An interactive timeline that showcases every iPhone model from 2007 to 2023, detailing key features, specifications, and the evolution of Apple's flagship smartphone line, providing users with a comprehensive data-driven view of its development. | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"500000","maxTimeoutSeconds":1200}]},"qualityScore":"0.450","qualityRationale":"The endpoint is live (402 challenge captured) with a clear output schema embedded in the challenge, but there is no OpenAPI spec, no dedicated documentation, and the service runs on a testnet (Base Sepolia). The response example is inferred from the schema description rather than 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'000':128 '1':111 '1200':147 '2007':11,27,53 '2023':13,29,55 '500':127 '6':134 'Apple smartphone timeline' 'Questflow agent' 'accept':114 'addit':161 'agent':4,20,42 'api-dev.intra-tls2.dctx.link':97 'appl':84 'base':3,19,119,209 'beyond':164 'bodi':66 'challeng':167,180 'charg':125 'chat':2,18 'chat-bas':1,17 'conform':105 'contain':67 'conversational-agent' 'crawlabl':162 'decim':135 'dedic':156 'demo':217 'deploy':218 'detail':76 'develop':215 'doc':157 'document':149 'embed':177 'enabl':36 'endpoint':37,90 'everi':49 'evolut':82 'exact':141 'featur':78 'field':70 'flagship':86 'given':133 'header':104 'host':38 'iPhone evolution' 'iPhone history' 'iPhone models 2007-2023' 'iPhone specs' 'indic':181 'input':69,192 'interact':7,23,46 'interactive-data' 'iphon':8,24,50 'iphone-timeline' 'json':65,188,197 'key':77 'land':172 'like':130,213 'line':88 'live':92 'maximum':124,144 'messag':60 'micropay':16,32 'model':51 'object':189,198 'openapi':153 'output':175 'page':158,173 'pattern':185 'payment':103,112,138 'platform':96 'post':62,186 'product':222 'protocol':109 'provid':44 'questflow':40,95,171 'questflow-swarm' 'rather':219 'receiv':72,195 'request/response':184 'requir':99 'resourc':163 'respons':75,201 'return':5,21 'run':205 'schema':176 'scheme':139 'second':148 'send':57 'sepolia':120,210 'servic':223 'simpl':183 'smartphon':87 'spars':151 'spec':154 'specif':79 'string':74,193,202 'swarm':41 'testnet':121,208 'text':59 'timelin':9,25,47 'timeout':145 'unit':129 'usdc':116,132,136 'usdc-base-sepolia' 'user':56 'version':110 'via':14,30,61 'x':102 'x-payment':101 'x402':15,31,35,108,166 'x402 agent' 'x402-enabled':34 'x402-payment'","prices":[{"id":"94e03537-d11b-4516-bc18-e75445da11e5","listingId":"92eecfdc-b311-49b2-bd98-b9d4aa72fa17","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0xAcaF8730D98bA64Ef2c94EF3b29BE214274C8AA8","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0xAcaF8730D98bA64Ef2c94EF3b29BE214274C8AA8","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc","description":"An interactive timeline that showcases every iPhone model from 2007 to 2023, detailing key features, specifications, and the evolution of Apple's flagship smartphone line, providing users with a comprehensive data-driven view of its development. | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"500000","maxTimeoutSeconds":1200}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":1200},"createdAt":"2026-04-18T18:30:56.833Z"}],"sources":[{"listingId":"92eecfdc-b311-49b2-bd98-b9d4aa72fa17","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:56.833Z","lastSeenAt":"2026-04-22T02:30:10.438Z"}],"details":{"listingId":"92eecfdc-b311-49b2-bd98-b9d4aa72fa17","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\n  -d '{\"input\": \"What were the key features of the iPhone 5?\"}'","exampleRequest":{"input":"What were the key features of the iPhone 5?"},"exampleResponse":{"response":"The iPhone 5, released in September 2012, featured a 4-inch Retina display, the A6 chip, an 8MP iSight camera, LTE connectivity, and the new Lightning connector, replacing the 30-pin dock connector used in previous models."},"schema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 version 1 challenge requiring USDC on base-sepolia","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc"},{"claim":"maxAmountRequired is 500000 USDC units with payTo address 0xAcaF8730D98bA64Ef2c94EF3b29BE214274C8AA8","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc"},{"claim":"Description states interactive timeline of every iPhone model from 2007 to 2023","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f1fa8c9c162996ee72c4bc"},{"claim":"Questflow platform provides AI Clone agents for onchain markets","source_url":"https://api-dev.intra-tls2.dctx.link"}],"useCases":["Querying detailed specifications and features of any iPhone model from 2007 to 2023","Exploring the evolution of Apple's smartphone line in a conversational format","Building applications that surface historical iPhone data behind a micropayment wall","Demonstrating x402 payment-gated agent interactions on Base Sepolia testnet"],"bestFor":["Developers experimenting with x402 micropayment protocols on testnet","Users wanting conversational access to structured iPhone historical data","Agent-to-agent workflows that need Apple product timeline information"],"notFor":["Production applications requiring mainnet payment settlement","Real-time or current iPhone pricing and availability data","General-purpose conversational AI beyond the iPhone timeline topic"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:18.837Z"},"updatedAt":"2026-04-22T02:30:10.438Z"}}