{"id":"d1562b83-28a1-453a-897d-eddce8ee14b9","shortId":"KAxdzn","kind":"x402","title":"Convert a JSON array of objects to an Excel (.xlsx) spreadsheet via x402 pay-per-call.","tagline":"Convert a JSON array of objects to an Excel (.xlsx) spreadsheet via x402 pay-per-call.","description":"The json2excel endpoint at api2ls.com accepts a JSON array of objects (or a wrapper with metadata) and returns a downloadable Excel .xlsx file. It supports up to 10,000 rows and 100 columns per request, with a maximum request size of 512 KB. Nested objects are automatically serialized to JSON strings within cells. Optional parameters let you set a custom filename and sheet name.\n\nPayment is handled via the x402 protocol at $0.10 per call, settled on-chain on Base or Solana. No API keys, accounts, or subscriptions are required — agents simply attach an x402 payment header to each POST request. The endpoint is discoverable through the x402 Bazaar registry.\n\nThe API accepts two request formats: a direct JSON array, or an object with a `data` field plus optional `filename` and `sheetName` fields. The response is an Excel file served with the standard OOXML spreadsheet MIME type. This is useful for agents that need to produce human-readable spreadsheet exports from structured data without running local office software or libraries.","tags":[],"capabilities":["json-to-excel","xlsx-generation","spreadsheet-export","x402-payment","pay-per-call","file-conversion","data-export"],"categories":["conversion","storage"],"synonyms":["json to xlsx","json to spreadsheet","excel export api","convert json to excel","data to xlsx","json array to excel","spreadsheet generation api"],"warnings":["The x402 challenge object was empty — exact payment token, network, and amount could not be verified from the probe alone.","No OpenAPI or formal schema is published; documentation is inferred from the landing page only.","/docs, /pricing, and /api all return 404, suggesting no additional documentation exists beyond the homepage."],"endpointUrl":"https://api2ls.com/api/json2excel","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x66D7eB447d2642D02edF4B9F7131206CfCcB057C","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"},"payTo":"25BMTJ1LHd6griiA9CNDNcGhCYYCfTiz6XgGK5ci3EK4","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}]},"qualityScore":"0.620","qualityRationale":"The endpoint is live (402 challenge captured) and the landing page provides clear documentation of the request/response format, limits, and pricing. However, there is no formal OpenAPI schema, no dedicated docs page, and the 402 challenge body was empty so exact on-chain payment details (token, network, amount in base units) cannot be independently verified from the probe. The response is a binary file so no example response JSON is 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'000':63 '10':62 '100':66 '512':76 'accept':40,148 'account':121 'agent':126,187 'api':119,147 'api2ls.com':39 'array':4,21,43,155 'attach':128 'automat':81 'base':115 'bazaar':144 'call':17,34,109 'cell':87 'chain':113 'column':67 'convert':1,18 'convert json to excel' 'custom':94 'data':161,199 'data to xlsx' 'data-export' 'direct':153 'discover':140 'download':54 'endpoint':37,138 'excel':9,26,55,173 'excel export api' 'export':196 'field':162,168 'file':57,174 'file-conversion' 'filenam':95,165 'format':151 'handl':101 'header':132 'human':193 'human-read':192 'json':3,20,42,84,154 'json array to excel' 'json to spreadsheet' 'json to xlsx' 'json-to-excel' 'json2excel':36 'kb':77 'key':120 'let':90 'librari':206 'local':202 'maximum':72 'metadata':50 'mime':181 'name':98 'need':189 'nest':78 'object':6,23,45,79,158 'offic':203 'on-chain':111 'ooxml':179 'option':88,164 'paramet':89 'pay':15,32 'pay-per-cal':14,31 'pay-per-call' 'payment':99,131 'per':16,33,68,108 'plus':163 'post':135 'produc':191 'protocol':105 'readabl':194 'registri':145 'request':69,73,136,150 'requir':125 'respons':170 'return':52 'row':64 'run':201 'serial':82 'serv':175 'set':92 'settl':110 'sheet':97 'sheetnam':167 'simpli':127 'size':74 'softwar':204 'solana':117 'spreadsheet':11,28,180,195 'spreadsheet generation api' 'spreadsheet-export' 'standard':178 'string':85 'structur':198 'subscript':123 'support':59 'two':149 'type':182 'use':185 'via':12,29,102 'within':86 'without':200 'wrapper':48 'x402':13,30,104,130,143 'x402-payment' 'xlsx':10,27,56 'xlsx-generation'","prices":[{"id":"88ba4d65-506e-40fe-b5ba-9227e89dc51b","listingId":"d1562b83-28a1-453a-897d-eddce8ee14b9","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":null,"chain":"base","payTo":"0x66D7eB447d2642D02edF4B9F7131206CfCcB057C","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x66D7eB447d2642D02edF4B9F7131206CfCcB057C","amount":"10000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"},"payTo":"25BMTJ1LHd6griiA9CNDNcGhCYYCfTiz6XgGK5ci3EK4","amount":"10000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:34.671Z"}],"sources":[{"listingId":"d1562b83-28a1-453a-897d-eddce8ee14b9","source":"x402_bazaar","sourceId":"https://api2ls.com/api/json2excel","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:34.671Z","lastSeenAt":"2026-04-22T04:02:50.062Z"}],"details":{"listingId":"d1562b83-28a1-453a-897d-eddce8ee14b9","quickStartSnippet":"curl -X POST https://api2ls.com/api/json2excel \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-402-Payment: <x402_payment_header>\" \\\n  -d '{\"data\":[{\"name\":\"Alice\",\"age\":30},{\"name\":\"Bob\",\"age\":25}],\"filename\":\"people.xlsx\"}' \\\n  -o people.xlsx","exampleRequest":{"data":[{"price":999,"stock":15,"product":"Laptop"},{"price":25,"stock":100,"product":"Mouse"}],"filename":"inventory.xlsx","sheetName":"Products"},"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"The endpoint converts JSON arrays to Excel .xlsx files with up to 10,000 rows and 100 columns, max 512 KB request size.","source_url":"https://api2ls.com"},{"claim":"Price is $0.10 per call via x402 protocol on Base or Solana.","source_url":"https://api2ls.com"},{"claim":"Nested objects are converted to JSON strings in the output.","source_url":"https://api2ls.com"},{"claim":"Discoverable via the x402 Bazaar at Coinbase CDP.","source_url":"https://api2ls.com"}],"useCases":["Autonomous agents generating Excel reports from structured query results","Converting API response data into downloadable spreadsheets for end users","Exporting database records or analytics data to .xlsx for stakeholder review","Agentic workflows that need to produce human-readable tabular files without local dependencies"],"bestFor":["AI agents needing on-the-fly Excel file generation","Serverless or lightweight environments without office libraries","Workflows requiring pay-per-use spreadsheet conversion with no signup"],"notFor":["High-volume batch processing of very large datasets (10,000 row / 512 KB limit)","Complex Excel formatting, formulas, charts, or multi-sheet workbooks","Reading or parsing existing Excel files (this is write-only)"],"kindDetails":{},"updatedAt":"2026-04-22T01:16:22.348Z"}}