{ "openapi": "3.1.0", "info": { "title": "FabTally", "version": "0.2.0", "description": "Pay-per-call utilities for AI agents: slicer-accurate FDM 3D-printing quotes and signed point-in-time URL attestations. Settlement via x402 (USDC on Base).", "x-guidance": "Two paid endpoints, both x402 (USDC on Base). POST /agent/v1/quote takes a multipart body (file=STL/3MF/STEP, plus optional material and quantity) and returns print time, filament grams and a priced quote ($0.005). POST /agent/v1/attest takes JSON {url, check, needle?} and returns an ed25519-signed record of what the URL returned ($0.01). GET /agent/overview and GET /agent/v1/attest/schema are free discovery docs. Each paid call responds 402 with an x402 `accepts` challenge; pay and retry to receive the result. Bring your own pricing: POST /agent/v1/quote accepts optional material_cost_per_kg, machine_rate_per_hour, setup_fee, margin, markup_percent, minimum_price and currency — omit for hobbyist defaults, pass your own for business economics (config is free; call price unchanged). The quote echoes a `pricing_basis` object of default-vs-custom values.", "contact": { "email": "hello@fabtally.com" } }, "servers": [ { "url": "https://fabtally.com" } ], "paths": { "/agent/overview": { "get": { "operationId": "overview", "summary": "Service overview — description, pricing, live material profiles (free)", "tags": [ "Discovery" ], "security": [], "responses": { "200": { "description": "Overview document", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/agent/v1/quote": { "post": { "operationId": "quote", "summary": "Quote — slicer-accurate FDM 3D-printing quote (paid, $0.005 USDC on Base)", "tags": [ "Quote" ], "description": "Real FDM 3D-printing quote from a real slicer. Upload an STL/3MF/STEP and get print time, filament grams and a priced quote (material + machine time + setup, volume discounts). Runs a production slicing engine against calibrated machine profiles — not an estimate.", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.005000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "5000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/quote", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model file to quote (STL, 3MF, OBJ, STEP). Max 64 MB." }, "material": { "type": "string", "description": "Material/profile id. One of: pla, pla-cf, petg, petg-cf, abs, abs-cf, asa, asa-cf, nylon, pc, pet, tpu. Default pla." }, "quantity": { "type": "string", "description": "Number of parts, 1-10000. Volume discounts apply. Default 1." }, "material_cost_per_kg": { "type": "string", "description": "Bring your own pricing (optional): override material $/kg." }, "machine_rate_per_hour": { "type": "string", "description": "Bring your own pricing (optional): machine rate $/hour (default 2.00)." }, "setup_fee": { "type": "string", "description": "Bring your own pricing (optional): per-job setup fee (default 1.50)." }, "margin": { "type": "string", "description": "Bring your own pricing (optional): margin fraction on cost, 0.30=30% (default 0.30)." }, "markup_percent": { "type": "string", "description": "Bring your own pricing (optional): extra % markup on top of margin." }, "minimum_price": { "type": "string", "description": "Bring your own pricing (optional): per-job price floor (default 5.00)." }, "currency": { "type": "string", "description": "Bring your own pricing (optional): currency label echoed back (default USD)." } } } } } }, "responses": { "200": { "description": "Priced quote", "content": { "application/json": { "schema": { "type": "object", "properties": { "model": { "type": "string" }, "material": { "type": "string" }, "print_time_sec": { "type": "integer" }, "print_time_human": { "type": "string" }, "filament_g": { "type": "number" }, "quote": { "type": "object", "properties": { "currency": { "type": "string" }, "unit": { "type": "object", "properties": { "material_cost": { "type": "number" }, "machine_cost": { "type": "number" }, "setup_fee": { "type": "number" }, "price": { "type": "number" } } }, "quantity": { "type": "integer" }, "quantity_discount": { "type": "number" }, "total": { "type": "number" } } }, "quoted_at": { "type": "string", "format": "date-time" } }, "example": { "model": "bracket.stl", "material": "pla", "print_time_sec": 988, "print_time_human": "16m28s", "filament_g": 4.16, "quote": { "currency": "USD", "unit": { "material_cost": 0.1, "machine_cost": 0.69, "setup_fee": 1.5, "price": 5 }, "quantity": 1, "quantity_discount": 0, "total": 5 }, "quoted_at": "2026-07-30T16:40:00Z" } } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/analyze": { "post": { "operationId": "analyze", "summary": "Analyze — model geometry only, no slice (paid, $0.002 USDC on Base)", "tags": [ "Slice" ], "description": "Bounding box (mm), volume (cm³), triangle count, watertight flag, fits-on-bed. No slice — fast + cheap.", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.002000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "2000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/analyze", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 60 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, PLY). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id for the fits-on-bed check (optional)." } } } } } }, "responses": { "200": { "description": "Model geometry", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/preview": { "post": { "operationId": "preview", "summary": "Preview — base64 PNG render of the model, no slice (paid, $0.005 USDC on Base)", "tags": [ "Slice" ], "description": "A base64-encoded PNG render of the uploaded model. No slice.", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.005000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "5000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/preview", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 120 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, PLY). Max 64 MB." } } } } } }, "responses": { "200": { "description": "PNG render", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/slice": { "post": { "operationId": "slice", "summary": "Slice — print time, filament, layers, geometry (paid, $0.005 USDC on Base)", "tags": [ "Slice" ], "description": "Slice — print time, filament, layers, geometry (paid, $0.005 USDC on Base)", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.005000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "5000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/slice", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, STEP). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, pla-cf, petg, petg-cf, abs, abs-cf, asa, asa-cf, nylon, pc, pet, tpu. Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Sparse infill density 0–100." }, "supports": { "type": "string", "description": "auto | none | tree." } } } } } }, "responses": { "200": { "description": "Result", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/slice/preview": { "post": { "operationId": "slice_preview", "summary": "Slice + preview PNG (paid, $0.01 USDC on Base)", "tags": [ "Slice" ], "description": "Slice + preview PNG (paid, $0.01 USDC on Base)", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.010000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "10000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/slice/preview", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, STEP). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, pla-cf, petg, petg-cf, abs, abs-cf, asa, asa-cf, nylon, pc, pet, tpu. Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Sparse infill density 0–100." }, "supports": { "type": "string", "description": "auto | none | tree." } } } } } }, "responses": { "200": { "description": "Result", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/slice/gcode": { "post": { "operationId": "slice_gcode", "summary": "Slice + sliced g-code gzip+base64 (paid, $0.015 USDC on Base)", "tags": [ "Slice" ], "description": "Slice + sliced g-code gzip+base64 (paid, $0.015 USDC on Base)", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.015000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "15000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/slice/gcode", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, STEP). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, pla-cf, petg, petg-cf, abs, abs-cf, asa, asa-cf, nylon, pc, pet, tpu. Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Sparse infill density 0–100." }, "supports": { "type": "string", "description": "auto | none | tree." } } } } } }, "responses": { "200": { "description": "Result", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/slice/full": { "post": { "operationId": "slice_full", "summary": "Slice + preview + g-code (paid, $0.02 USDC on Base)", "tags": [ "Slice" ], "description": "Slice + preview + g-code (paid, $0.02 USDC on Base)", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.020000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "20000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/slice/full", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, STEP). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, pla-cf, petg, petg-cf, abs, abs-cf, asa, asa-cf, nylon, pc, pet, tpu. Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Sparse infill density 0–100." }, "supports": { "type": "string", "description": "auto | none | tree." } } } } } }, "responses": { "200": { "description": "Result", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/dfm-preview": { "post": { "operationId": "dfm_preview", "summary": "DFM preview — geometry-only printability check, no slice (FREE)", "tags": [ "DFM" ], "security": [], "description": "Free teaser. Geometry-only DFM: printable-so-far verdict, watertight/manifold, wall-thickness estimate vs nozzle, and an overhang heuristic — no slice. For the exact support-material and material-saving deltas, pay for POST /agent/v1/dfm.", "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, PLY). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, petg, abs, asa, tpu, pc, nylon, pet (+ -cf variants). Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Baseline infill density 0–100 (default 15)." } } } } } }, "responses": { "200": { "description": "Geometry DFM report", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/agent/v1/dfm": { "post": { "operationId": "dfm", "summary": "DFM report — printability verdict + exact support/material deltas (paid, $0.01 USDC on Base)", "tags": [ "DFM" ], "description": "Structured DFM / printability report. Geometry checks (fits-on-bed, watertight, wall-thickness estimate, overhang analysis) PLUS exact support-material and infill material-saving deltas from real slices, and a definitive printable verdict (yes/with-warnings/no). Every field labelled `basis: exact | heuristic`.", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.010000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "10000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/dfm", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, PLY). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, petg, abs, asa, tpu, pc, nylon, pet (+ -cf variants). Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Baseline infill density 0–100 (default 15)." } } } } } }, "responses": { "200": { "description": "DFM report", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/orient": { "post": { "operationId": "orient", "summary": "Orientation optimiser — least-support orientation from real slices (paid, $0.02 USDC on Base)", "tags": [ "DFM" ], "description": "Really slices up to 4 candidate orientations (with automatic supports) and recommends the one using the least support material. Exact, slice-derived; the candidate set is a bounded axis-aligned sampling, not a global optimum.", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.020000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "20000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/orient", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 300 } } ] }, "requestBody": { "required": true, "content": { "multipart/form-data": { "schema": { "type": "object", "required": [ "file" ], "properties": { "file": { "type": "string", "format": "binary", "description": "3D model (STL, 3MF, OBJ, PLY). Max 64 MB." }, "printer": { "type": "string", "description": "Printer id from GET /agent/overview `fleet`. Default elegoo-neptune4-max." }, "material": { "type": "string", "description": "pla, petg, abs, asa, tpu, pc, nylon, pet (+ -cf variants). Default pla." }, "quality": { "type": "string", "description": "draft (0.28mm) | standard (0.20mm) | fine (0.12mm)." }, "layer_height": { "type": "string", "description": "Explicit layer height mm (0.04–0.6); overrides quality." }, "infill_percent": { "type": "string", "description": "Baseline infill density 0–100 (default 15)." } } } } } }, "responses": { "200": { "description": "Orientation ranking + recommendation", "content": { "application/json": { "schema": { "type": "object" } } } }, "402": { "description": "Payment Required" } } } }, "/agent/v1/attest/schema": { "get": { "operationId": "attest_schema", "summary": "Attestation schema + ed25519 verification key (free)", "tags": [ "Discovery" ], "security": [], "responses": { "200": { "description": "Attestation I/O schema, limits, and public verification key", "content": { "application/json": { "schema": { "type": "object" } } } } } } }, "/agent/v1/attest": { "post": { "operationId": "attest", "summary": "Attest — signed point-in-time URL observation (paid, $0.01 USDC on Base)", "tags": [ "Attest" ], "description": "Independent point-in-time observation of a public URL, signed with ed25519. Fetches the URL from a neutral third-party host and returns HTTP status, final URL after redirects, sha256 of the exact bytes received, size, and cache headers — plus your chosen check (exists / contains a string / content hash). Useful when an agent needs a durable, verifiable record that a page said something at a specific moment.", "x-payment-info": { "price": { "mode": "fixed", "currency": "USD", "amount": "0.010000" }, "protocols": [ { "x402": { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "maxAmountRequired": "10000", "payTo": "0xccB5d25C698FdfdaA7B21d54088774cF512A90e3", "resource": "https://fabtally.com/agent/v1/attest", "facilitator": "https://facilitator.daydreams.systems", "maxTimeoutSeconds": 60 } } ] }, "requestBody": { "required": true, "content": { "application/json": { "schema": { "type": "object", "required": [ "url", "check" ], "properties": { "url": { "type": "string", "description": "Absolute http(s) URL to observe. Must resolve to a public IP; private/loopback/link-local ranges are refused at every redirect hop." }, "check": { "type": "string", "enum": [ "exists", "contains", "hash" ], "description": "What to assert: \"exists\", \"contains\" (needs needle), or \"hash\"." }, "needle": { "type": "string", "description": "Substring to look for when check=\"contains\". 1024 chars max." } } }, "example": { "url": "https://example.com/pricing", "check": "contains", "needle": "$49/mo" } } } }, "responses": { "200": { "description": "Signed attestation", "content": { "application/json": { "schema": { "type": "object", "properties": { "url": { "type": "string", "description": "The URL as requested (normalized)." }, "fetchedAt": { "type": "string", "format": "date-time", "description": "UTC ISO-8601 timestamp of the observation." }, "check": { "type": "string", "enum": [ "exists", "contains", "hash" ] }, "needle": { "type": [ "string", "null" ] }, "httpStatus": { "type": [ "integer", "null" ], "description": "Status of the final hop; null if the fetch failed." }, "finalUrl": { "type": [ "string", "null" ], "description": "URL after following redirects." }, "redirects": { "type": "array", "description": "Every redirect hop taken, in order.", "items": { "type": "object", "properties": { "from": { "type": "string" }, "status": { "type": "integer" }, "to": { "type": "string" } } } }, "result": { "type": [ "boolean", "string", "null" ], "description": "Boolean for exists/contains; sha256 hex string for hash; null if unobtainable." }, "sha256": { "type": [ "string", "null" ], "description": "sha256 (hex) of the exact response bytes received." }, "bodyBytes": { "type": [ "integer", "null" ] }, "headersSubset": { "type": "object", "properties": { "content-type": { "type": [ "string", "null" ] }, "last-modified": { "type": [ "string", "null" ] }, "etag": { "type": [ "string", "null" ] } } }, "error": { "type": [ "object", "null" ], "description": "Set when the observation could not be completed as a 2xx fetch (DNS failure, timeout, blocked address, non-2xx status, oversized body). The attestation is still returned and still signed — 'the URL did not respond at time T' is itself an observation.", "properties": { "code": { "type": "string" }, "message": { "type": "string" } } }, "attestor": { "type": "string", "enum": [ "attest.fabtally.com/v0" ] }, "disclaimer": { "type": "string", "enum": [ "point-in-time observation, not a legal attestation" ] }, "signature": { "type": "object", "description": "ed25519 signature over the canonical JSON of this object with the `signature` field removed and keys serialized in the documented order. Verify with the public key from GET /agent/v1/attest/schema.", "properties": { "alg": { "type": "string" }, "keyId": { "type": "string" }, "publicKeySpkiB64": { "type": "string" }, "value": { "type": "string", "description": "base64 signature" }, "canonicalization": { "type": "string" } } } }, "example": { "url": "https://example.com/pricing", "fetchedAt": "2026-07-30T19:05:00.000Z", "check": "contains", "needle": "$49/mo", "httpStatus": 200, "finalUrl": "https://example.com/pricing", "redirects": [], "result": true, "sha256": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08", "bodyBytes": 18422, "headersSubset": { "content-type": "text/html; charset=utf-8", "last-modified": null, "etag": "W/\"47f0-x\"" }, "error": null, "attestor": "attest.fabtally.com/v0", "disclaimer": "point-in-time observation, not a legal attestation", "signature": { "alg": "ed25519", "keyId": "…", "publicKeySpkiB64": "…", "value": "…", "canonicalization": "…" } } } } } }, "402": { "description": "Payment Required" } } } }, "/agent/health": { "get": { "operationId": "health_check", "summary": "Health check (free)", "tags": [ "Discovery" ], "security": [], "responses": { "200": { "description": "OK" } } } } } }