{"uid":"cap_x538N_Z8ouz8j4e3HMXva","slug":"csv-null-normalize-962d0ced","name":"CSV Null Normalize","description":"CSV Null Normalize: CSV Null Normalize normalizes caller-selected CSV null tokens to empty cells from bounded caller-supplied values without an external provider. Call CSV Null Normalize before an agent hands structured data or a batch plan to a downstream tool with a stricter contract. Returns the bounded transformation or validation finding with counts, normalized values, and a versioned result contract for CSV Null Normalize as versioned deterministic JSON. Price: $0.001 USDC via x402 on Bas…","url":"https://api.delx.ai/api/v1/x402/csv-null-normalize","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","maxLength":8192,"description":"Text supplied to CSV Null Normalize; used only for this bounded calculation and processed in memory without retention."},"null_tokens":{"type":"array","items":{"type":"string","maxLength":8192},"maxItems":256,"description":"Null Tokens supplied to CSV Null Normalize; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"csv":"id,value\n1,\n2,"},"schema":"delx/util-csv-null-normalize/v1","status":"pass","evidence":{"retained":false,"input_sha256":"0d3f23cb4b83985ebd8f4738f93f8b5fe9ff8a59fe6762aa4eb095a755f5b176","external_calls":0},"operation":"data_batch:csv_null_normalize"}},"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_r1XGNfb5V4Zlq1sy2bxyl","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":"Normalizes caller-specified null tokens (e.g. 'NA', 'NULL', 'N/A') to empty cells in a CSV text, returning counts and a versioned deterministic result.","exampleAgentPrompt":"I have a CSV where null values are represented as 'NA', 'NULL', and 'N/A' — can you normalize all of those to empty cells so it's clean before I pass it to the next step? Here's the CSV text: [paste CSV here].","exampleUseCases":[{"title":"ETL pipeline null standardization","prompt":"Before I load this CSV export into our database, can you replace all occurrences of 'NULL', 'NA', and '-' with empty cells? Here's the CSV: name,age,city\nAlice,NULL,NYC\nBob,NA,-"},{"title":"Agent handoff data cleanup","prompt":"I'm about to pass this CSV to a downstream analytics tool that only accepts truly empty cells for missing values — can you normalize the null tokens 'N/A', 'NONE', and 'missing' to blank cells first? CSV: id,score,label\n1,N/A,pass\n2,NONE,fail\n3,missing,pass"},{"title":"Data quality preflight check","prompt":"Can you run a null normalization pass on this CSV and tell me how many cells were replaced? The null tokens are 'NaN', '#NULL!', and 'undefined'. CSV: product,price,stock\nWidget,NaN,10\nGadget,#NULL!,undefined"}],"resultDescription":"Returns a versioned deterministic JSON object containing the normalized CSV text (with all specified null tokens replaced by empty cells), per-token replacement counts, total replacement count, and a versioned result contract identifier.","failureModes":["CSV text exceeds 8192 character limit — request rejected","null_tokens array exceeds 256 items — request rejected","Malformed or non-CSV input text — may produce unexpected normalization output","Empty null_tokens array — CSV returned unchanged with zero replacements","Payment failure via x402 — request not processed"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, deterministic, no-external-dependency service to standardize heterogeneous null representations in CSV text before handing data to a stricter downstream tool or pipeline. Prefer it over general-purpose LLM-based data cleaning when you need reproducible, auditable, versioned results with exact replacement counts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:39:07.381Z","isFirstParty":false}