{"uid":"cap_AnGUsZUK87xDD4zgByqto","slug":"json-to-csv-converter-cf483782","name":"JSON to CSV Converter","description":"Convert an array of JSON objects to CSV. JSON: rows (array of objects, max 50000), optional columns (column order), delimiter (1 char, default comma), flatten (default true: nested keys become a.b and arrays are JSON-encoded), crlf (true for CRLF line ends). Returns columns, row_count, csv string. Fields are quoted per RFC 4180. Max body 1 MB. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.","url":"https://api.jagent.dev/v1/json-to-csv?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array"},"as_lines":{"type":"boolean"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GPiIJPZqyazNStAtGblCa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts an array of JSON objects into a RFC 4180-compliant CSV string, with options for column ordering, delimiter, flattening, and line endings.","exampleAgentPrompt":"Convert this JSON array into a CSV — keep the columns in this order: id, name, email, created_at — and use a semicolon as the delimiter: [{\"id\":1,\"name\":\"Alice\",\"email\":\"alice@example.com\",\"created_at\":\"2024-01-01\"}]","exampleUseCases":[{"title":"Export API data to spreadsheet","prompt":"I have a JSON array of 200 customer records from our CRM API and I need to turn them into a CSV so I can open it in Excel. Can you convert it for me and make sure the columns come out in this order: customer_id, first_name, last_name, email, signup_date?"},{"title":"Flatten nested JSON for analytics","prompt":"I've got a bunch of JSON objects with nested fields like address.city and address.zip — can you flatten them and convert everything to CSV so I can load it into our data warehouse? Use the default comma delimiter."},{"title":"Pipeline data handoff as CSV","prompt":"At the end of my data pipeline I need to hand off results as a CSV file. Here's a JSON array of 500 rows — convert it to CSV with CRLF line endings so it's compatible with our Windows-based reporting tool."}],"resultDescription":"Returns a JSON object containing: 'csv' (the full RFC 4180-compliant CSV string), 'columns' (array of column header names in output order), and 'row_count' (integer count of data rows converted). Nested object keys are flattened to dot-notation (e.g. a.b) by default, and array values are JSON-encoded.","failureModes":["Body exceeds 1 MB limit — request rejected","rows array contains more than 50,000 objects — request rejected","Invalid delimiter (more than 1 character) — validation error","Malformed JSON body — parse error returned","Non-object elements in rows array — conversion error","Network timeout for very large payloads near the size limit"],"whenToPreferThis":"Choose this endpoint when you need a simple, reliable JSON-array-to-CSV conversion with RFC 4180 compliance, support for nested key flattening, custom delimiters, and configurable line endings — especially in agentic pipelines where paying per-call via x402 is acceptable and you need up to 50,000 rows in a single call. Prefer this over manual CSV serialization to avoid quoting edge cases.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:44:25.836Z","isFirstParty":false,"canonicalSlug":"json-to-csv-converter-cf483782"}