{"uid":"cap_HpcmAnBM5okD3jhX47fwg","slug":"relaystation-csv-select-column-filter-reorder-5641a767","name":"Relaystation CSV Select (Column Filter/Reorder)","description":"$0.0002/MB. Keep, drop, or reorder columns in a table — shape data for the next step. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny","url":"https://api.relaystation.ai/v1/csv/select","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y6dK-rGsdkLnnx60gpagu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Keeps, drops, or reorders columns in a CSV table to reshape data for downstream pipeline steps.","exampleAgentPrompt":"Take this CSV and keep only the 'id', 'name', 'email', and 'signup_date' columns — drop everything else and put them in that exact order.","exampleUseCases":[{"title":"Strip PII before sharing dataset","prompt":"I need to share this user export CSV with our analytics vendor but first remove the 'ssn', 'address', and 'phone' columns — keep everything else and send me the cleaned file."},{"title":"Reorder columns for report template","prompt":"Our reporting template requires columns in this order: 'date', 'region', 'revenue', 'units_sold' — can you rearrange this sales CSV to match that layout and drop any extra columns?"},{"title":"Narrow wide table for next pipeline step","prompt":"This CSV has 40 columns but the next step only needs 'product_id', 'sku', 'price', and 'stock_qty' — select just those four columns in that order so I can pass it along."}],"resultDescription":"A CSV file containing only the selected columns, in the specified order, with all other columns removed. The response reflects the same rows as the input but shaped to the requested column structure.","failureModes":["Column name not found in input CSV — returns error indicating missing column","Malformed or unparseable CSV input — returns parse error","Empty column selection list — may return empty table or error","Input data exceeds size limits or budget — billing/quota error","Network timeout on large uploads"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, paid-per-MB column selection step inside an automated agent pipeline and want a simple HTTP call without setting up local data processing. Especially useful when chaining Relaystation pipeline steps, since unused columns balloon payload size and cost for subsequent steps.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:46:55.526Z","isFirstParty":false}