# Herramientas Cobrables Small deterministic services for AI agents and automations. Payments use x402 v2 with USDC on Base mainnet (CAIP-2: eip155:8453). Send an unpaid request first; each paid route returns HTTP 402 with the payment requirements. Use the standard PAYMENT-SIGNATURE header, then retry the same request. ## Paid services ### JSON Contract Validator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/json-validate - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/json-validate - Price: 0.01 USDC - Description: Validates a JSON object and reports missing required fields. ### Margin and Break-even Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/margin-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/margin-calculator - Price: 0.25 USDC - Description: Calculates gross margin, net profit, break-even revenue and units. ### Food Cost Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/food-cost-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/food-cost-calculator - Price: 0.25 USDC - Description: Calculates food cost, waste-adjusted food cost and variance to a target percentage. ### Labor Cost Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/labor-cost-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/labor-cost-calculator - Price: 0.25 USDC - Description: Calculates loaded weekly payroll, labor cost percentage, target hours and variance against a target. ### Prime Cost Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/prime-cost-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/prime-cost-calculator - Price: 0.50 USDC - Description: Calculates combined food and loaded labor cost, separate percentages and variance against a target. ### Menu Price Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/menu-price-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/menu-price-calculator - Price: 0.50 USDC - Description: Estimates a restaurant menu price from ingredient cost, target food cost percentage and an optional current price. ### Reorder Point Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/reorder-point-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/reorder-point-calculator - Price: 0.25 USDC - Description: Calculates a reorder point from daily usage, supplier lead time, safety stock and optional inventory. ### Waste Cost Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/waste-cost-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/waste-cost-calculator - Price: 0.25 USDC - Description: Measures restaurant waste as a percentage of sales and compares it with a target and an optional previous period. ### Recipe Yield Calculator - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/recipe-yield-calculator - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/recipe-yield-calculator - Price: 0.50 USDC - Description: Calculates portions per batch, cost per portion, and a target menu price from recipe yield and cost. ### Public Stock Quote - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/stock-quote - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/stock-quote - Price: 0.05 USDC - Description: Returns a current public quote, change and observed timestamp. ### x402 Settlement Preflight - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/x402-preflight - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/x402-preflight - Price: 0.02 USDC - Description: Checks an HTTPS endpoint for a valid x402 v2 HTTP 402 challenge before an agent pays. ### Public SEO Audit - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/seo-audit - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/seo-audit - Price: 1.00 USDC - Description: Fetches a public HTTPS page and returns deterministic SEO and accessibility checks. ### Thirty-day Operating Plan - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/ops-plan - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/ops-plan - Price: 5.00 USDC - Description: Generates deterministic priorities and a 30-day operating plan from revenue, direct costs, fixed costs and units. ### Complete Control Library Download - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/complete-control-library - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/complete-control-library - Price: 149.00 USDC - Description: Returns an expiring protected download link for the complete Spanish and English operating library after x402 payment. ### Multi-location Control License - Method: GET - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/multi-location-control-license - Human-readable guide: https://herramientas-cobrables.consultoressasic.chatgpt.site/services/multi-location-control-license - Price: 399.00 USDC - Description: Returns an expiring protected download link for the complete operating library and a five-location internal-use license after x402 payment. ## Digital products Human-readable product pages with crypto checkout on Base. Each page explains the deliverable and the exact payment flow. ### Bundle control operativo - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/bundle-control-operativo - Price: 69.00 USD in USDC on Base - Description: Plantilla editable + manual práctico para ordenar ventas, gastos, inventario, food cost y margen. ### Kit de control operativo - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/asadero-control-pack - Price: 49.00 USD in USDC on Base - Description: Un tablero listo para adaptar a un restaurante, asadero o pequeño negocio de comida, con control de food cost y merma. ### Manual práctico - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/manual-control-operativo - Price: 19.00 USD in USDC on Base - Description: Una guía breve para convertir registros cotidianos en decisiones semanales. ### Restaurant Weekly Control Pack - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/restaurant-weekly-control-pack - Price: 49.00 USD in USDC on Base - Description: An editable English weekly operating system with a dashboard, food cost review, and inventory alerts. ### Complete Control Library - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/complete-control-library - Price: 149.00 USD in USDC on Base - Description: La biblioteca completa en español e inglés, con archivos editables, guías y rutinas de cierre para operar con más claridad. Los cuatro productos por separado suman $186 USD; esta biblioteca los reúne por $149 USD. ### Multi-location Control License - URL: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/multi-location-control-license - Price: 399.00 USD in USDC on Base - Description: La biblioteca completa con licencia de equipo para hasta cinco sucursales y 25 colaboradores internos, más una guía de despliegue. ## Free discovery - Free tools directory: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools - Catalog: https://herramientas-cobrables.consultoressasic.chatgpt.site/services - Free margin calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/margin-calculator - Free food cost calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/food-cost-calculator - Free restaurant food cost calculator (English): https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-food-cost-calculator - Free English weekly checklist: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/checklist - Instant Spanish checklist download: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/checklist/free - Instant English checklist download: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/checklist/free?lang=en - Free Spanish restaurant food cost Excel template: https://herramientas-cobrables.consultoressasic.chatgpt.site/plantillas/food-cost-restaurante-gratis - Direct Spanish food cost template download: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/free-template/food-cost - Free English restaurant food cost Excel template: https://herramientas-cobrables.consultoressasic.chatgpt.site/templates/free-restaurant-food-cost-template - Direct English food cost template download: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/free-template/food-cost?lang=en - Free Spanish restaurant inventory and reorder Excel template: https://herramientas-cobrables.consultoressasic.chatgpt.site/plantillas/inventario-reorden-restaurante-gratis - Direct Spanish inventory template download: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/free-template/inventory - Free English restaurant inventory and reorder Excel template: https://herramientas-cobrables.consultoressasic.chatgpt.site/templates/free-restaurant-inventory-reorder-template - Direct English inventory template download: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/free-template/inventory?lang=en - English self-service checkout: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/checkout - Free English restaurant break-even calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-break-even-calculator - Free English restaurant labor cost calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-labor-cost-calculator - Free English restaurant prime cost calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-prime-cost-calculator - Free English restaurant menu price calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-menu-price-calculator - Free English restaurant reorder point calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-reorder-point-calculator - Free English restaurant waste cost calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-waste-cost-calculator - Free English restaurant recipe yield calculator: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-recipe-yield-calculator - Agent manifest: https://herramientas-cobrables.consultoressasic.chatgpt.site/agent.json - JSON preview: https://herramientas-cobrables.consultoressasic.chatgpt.site/api/paid/json-validate/preview - Sitemap: https://herramientas-cobrables.consultoressasic.chatgpt.site/sitemap.xml ## Commercial template pages - Plantilla de control de costos para restaurante | Excel: https://herramientas-cobrables.consultoressasic.chatgpt.site/plantillas/control-costos-restaurante-excel - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/bundle-control-operativo - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/food-cost-calculator - Plantilla de inventario para restaurante | Excel: https://herramientas-cobrables.consultoressasic.chatgpt.site/plantillas/inventario-restaurante-excel - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/asadero-control-pack - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/checklist - Plantilla para controlar la merma de un restaurante: https://herramientas-cobrables.consultoressasic.chatgpt.site/plantillas/control-merma-restaurante - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/asadero-control-pack - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/food-cost-calculator - Checklist y plantilla de cierre semanal para restaurante: https://herramientas-cobrables.consultoressasic.chatgpt.site/plantillas/cierre-semanal-restaurante - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/products/bundle-control-operativo - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/checklist - Restaurant food cost template | Excel workbook: https://herramientas-cobrables.consultoressasic.chatgpt.site/templates/restaurant-food-cost-template - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/restaurant-weekly-control-pack - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/tools/restaurant-food-cost-calculator - Restaurant inventory template | Excel and weekly checklist: https://herramientas-cobrables.consultoressasic.chatgpt.site/templates/restaurant-inventory-template - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/restaurant-weekly-control-pack - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/checklist - Weekly restaurant close checklist | sales, food cost, and inventory: https://herramientas-cobrables.consultoressasic.chatgpt.site/templates/weekly-restaurant-close-checklist - Related product: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/restaurant-weekly-control-pack - Free starting tool: https://herramientas-cobrables.consultoressasic.chatgpt.site/en/checklist Only call paid endpoints when the returned payment requirements match your intended amount, network and asset.