{"uid":"cap_VC75gVskLaSVNyA4GuOv4","slug":"kitchen-pass-chef-api-ingredient-substitution-9ea32650","name":"Kitchen Pass Chef API – Ingredient Substitution","description":"What can I use instead of buttermilk, self-raising flour, creme fraiche or sour cream? Get head chef Cristopher's verified swaps: yes, no or depends (and on what), with amount and context where given, including swaps not to make. Also fresh herbs, butter, oil, sugar, flour, fresh tomatoes, fresh stock, whole spices; others get a 404 listing them. Refused, never guessed: allergens and dairy-, egg- or gluten-free swaps, storage, preserving. Only a 200 answer is charged; refusals and 404s are free.","url":"https://kitchen-pass.netlify.app/v1/substitute?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"use":{"type":"string"},"ingredient":{"type":"string"}}},"responseSchema":{"type":"json","example":{"status":"ok","options":[{"use":"milk plus lemon juice","amount":null,"context":"in baking","verdict":"yes","dependsOn":null}],"ingredient":"buttermilk","provenance":{"label":"Chef-verified by Cristopher"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_gDunKq7oRbYW5tC_7i6Jv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns chef-verified ingredient substitutions (yes/no/depends) with amounts and context for a given ingredient and intended use case.","exampleAgentPrompt":"I don't have buttermilk for this pancake recipe — what can I use instead? I need a chef-verified swap with the right amount and any context about whether it'll actually work in baking.","exampleUseCases":[{"title":"Buttermilk swap for baking","prompt":"I'm making a buttermilk chocolate cake and I'm out of buttermilk — what can I use instead for baking, and will it actually work the same way?"},{"title":"Self-raising flour alternative","prompt":"I only have plain flour at home — can I use it instead of self-raising flour in a scone recipe, and if so how do I adjust it?"},{"title":"Fresh herb substitution in cooking","prompt":"My recipe calls for fresh thyme but I only have dried — what can I substitute for fresh thyme when cooking a roast chicken, and does the amount change?"}],"resultDescription":"A JSON object containing a list of substitute options, each with the substitute ingredient, a chef-verified verdict (yes, no, or depends), optional amount, optional context string explaining conditions, and a dependsOn field if the verdict is conditional. Also includes the original ingredient and a provenance label crediting head chef Cristopher.","failureModes":["404 returned for unsupported ingredients (e.g. allergen swaps, dairy-free, egg-free, gluten-free swaps, storage or preservation queries) — these are free and not charged","Allergen-related or dietary-restriction swap requests are always refused and return no result","If the ingredient is not in the supported set, the API returns a 404 listing which ingredients are supported","Only 200 responses are charged; all refusals and 404s are free"],"whenToPreferThis":"Use this endpoint when you need authoritative, chef-verified ingredient substitutions for a specific cooking context, especially for common baking staples like buttermilk, self-raising flour, creme fraiche, sour cream, butter, oil, sugar, flour, fresh herbs, fresh tomatoes, fresh stock, or whole spices. Prefer this over generic LLM-generated substitution advice when you need a definitive yes/no/depends verdict with specific amounts. Do not use this for allergen substitutions, dietary-restriction swaps (dairy-free, egg-free, gluten-free), or food storage questions — those are explicitly out of scope.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:36:18.892Z","isFirstParty":false,"canonicalSlug":"kitchen-pass-chef-api-ingredient-substitution-9ea32650"}