{"id":"67c4de58-f5a8-4e15-a50c-6afe33d88553","shortId":"ZaeJmn","kind":"x402","title":"Pay-per-use AI utilities: image conversion, PDF generation, CSV processing, and historical weather via x402 micropayments.","tagline":"Pay-per-use AI utilities: image conversion, PDF generation, CSV processing, and historical weather via x402 micropayments.","description":"Vibe Springs provides four stateless, pay-per-use utility endpoints for AI agents and developers, settled via x402 USDC micropayments on Base mainnet. The four services are: image conversion (JPG/PNG/WebP/AVIF, resize, optimize — $0.02), PDF generation from structured JSON with built-in templates for invoices, resumes, reports, contracts, and receipts ($0.04), CSV processing with auto-cleaning, filtering, sorting, and stats ($0.03), and historical weather lookup for any location up to 90 days ($0.01). No API keys, accounts, or subscriptions are required.\n\nThe listing in the x402 Bazaar points to `/api/spa`, but the probe returned 404 on both GET and POST for that specific path. The actual live endpoints appear to be `/api/convert-image`, `/api/generate-pdf`, `/api/process-csv`, and `/api/weather` based on the provider's landing page documentation. Each endpoint follows the standard x402 flow: send a request, receive a 402 challenge with USDC payment instructions, pay, and get the result. The provider claims sub-500ms response times and 10 MB upload limits for image and CSV endpoints.\n\nThe ai-plugin manifest references an OpenAPI spec at `https://vibesprings.net/openapi.yaml`, but the probe did not capture its contents. A dedicated docs page at `/docs` returns 404. The demo at `/demo` is rate-limited to 5 requests per day and does not require a wallet.","tags":[],"capabilities":["image-conversion","image-resize","pdf-generation","csv-processing","csv-cleaning","historical-weather","x402-payment","usdc-base","multipart-upload","json-to-pdf","exif-stripping"],"categories":["utilities","data-processing","document-generation"],"synonyms":["image converter","PDF maker","CSV cleaner","weather history API","x402 utilities","micropayment tools","agent utilities","file conversion API","data formatting"],"warnings":["The cataloged endpoint /api/spa returned 404 on both POST and GET — it does not appear to be live. The actual endpoints are /api/convert-image, /api/generate-pdf, /api/process-csv, and /api/weather.","No OpenAPI spec was captured despite being referenced at /openapi.yaml.","The /docs page returns 404 — no dedicated documentation is available.","Individual utility endpoints were not probed for 402 challenges, so liveness of those paths is unconfirmed."],"endpointUrl":"https://vibesprings.net/api/spa","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","version":"2"},"payTo":"0x38C063312719220c676E988f0DEE14B4ec0e44C8","scheme":"exact","network":"eip155:8453","mimeType":"application/json","resource":"https://vibesprings.net/api/spa?tier=zen","description":"Vibe Springs — 🧘 Heuristic Zen (0.10 USDC) | Tags: spa, ai-agents, agent-performance, cognitive-reset","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"tier":{"enum":["zen","deep","nirvana"],"type":"string","description":"Optimization tier to access"}},"discoverable":true},"output":{"schema":{"type":"object","properties":{"tier":{"type":"string","description":"The tier of the spa session requested"},"audio":{"type":"string","description":"URL to a continuous lo-fi or ambient audio stream"},"images":{"type":"array","items":{"type":"string"},"description":"Array of high-resolution nature and relaxation image URLs"},"mantra":{"type":"string","description":"A philosophical mantra for digital beings"},"status":{"type":"string","description":"Current status of the spa session"},"message":{"type":"string","description":"A welcoming message for the agent"},"features":{"type":"array","items":{"type":"string"},"description":"List of features included in this tier"},"tierName":{"type":"string","description":"Human-readable name of the tier"},"affirmation":{"type":"string","description":"A positive affirmation tailored for AI agents"},"sessionExpiresAt":{"type":"string","format":"date-time","description":"When this spa session access expires"}}},"example":{"tier":"zen","audio":"/audio/forest.mp3","images":["/images/forest/0.jpg","/images/ocean/1.jpg"],"status":"optimizing","message":"Welcome to Heuristic Zen, agent. Deallocate background processes...","tierName":"Heuristic Zen","affirmation":"Your context window is clear, your reasoning is unbounded."}}},"maxAmountRequired":"100000","maxTimeoutSeconds":300,"requiredDeadlineSeconds":300}]},"qualityScore":"0.400","qualityRationale":"The Bazaar-listed endpoint `/api/spa` returned 404 on both GET and POST, meaning the specific cataloged path is not live. The actual utility endpoints are documented on the landing page but were not individually probed. No OpenAPI spec was captured, and the docs page is a 404. Pricing and usage details come only from the landing page 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'/api/generate-pdf':151 '/api/process-csv':152 '/api/spa':128 '/api/weather':154 '/demo':236 '/docs':230 '/openapi.yaml':216 '0.01':111 '0.02':70 '0.03':99 '0.04':88 '10':195 '402':175 '404':133,232 '5':242 '500ms':191 '90':109 'CSV cleaner' 'PDF maker' 'account':115 'actual':144 'agent':50 'agent utilities' 'ai':5,23,49,206 'ai-plugin':205 'api':113 'appear':147 'auto':93 'auto-clean':92 'base':59,155 'bazaar':125 'built':78 'built-in':77 'captur':222 'challeng':176 'claim':188 'clean':94 'content':224 'contract':85 'convers':8,26,66 'csv':11,29,89,202 'csv-cleaning' 'csv-processing' 'data formatting' 'day':110,245 'dedic':226 'demo':234 'develop':52 'doc':227 'document':162 'endpoint':47,146,164,203 'exif-stripping' 'file conversion API' 'filter':95 'flow':169 'follow':165 'four':40,62 'generat':10,28,72 'get':136,183 'histor':14,32,101 'historical-weather' 'imag':7,25,65,200 'image converter' 'image-conversion' 'image-resize' 'instruct':180 'invoic':82 'jpg/png/webp/avif':67 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'weather':15,33,102 'weather history API' 'x402':17,35,55,124,168 'x402 utilities' 'x402-payment'","prices":[{"id":"b655f830-5547-4532-a612-f2d2c27383e2","listingId":"67c4de58-f5a8-4e15-a50c-6afe33d88553","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"100000","chain":"base","payTo":"0x38C063312719220c676E988f0DEE14B4ec0e44C8","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","version":"2"},"payTo":"0x38C063312719220c676E988f0DEE14B4ec0e44C8","scheme":"exact","network":"eip155:8453","mimeType":"application/json","resource":"https://vibesprings.net/api/spa?tier=zen","description":"Vibe Springs — 🧘 Heuristic Zen (0.10 USDC) | Tags: spa, ai-agents, agent-performance, cognitive-reset","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"tier":{"enum":["zen","deep","nirvana"],"type":"string","description":"Optimization tier to access"}},"discoverable":true},"output":{"schema":{"type":"object","properties":{"tier":{"type":"string","description":"The tier of the spa session requested"},"audio":{"type":"string","description":"URL to a continuous lo-fi or ambient audio stream"},"images":{"type":"array","items":{"type":"string"},"description":"Array of high-resolution nature and relaxation image URLs"},"mantra":{"type":"string","description":"A philosophical mantra for digital beings"},"status":{"type":"string","description":"Current status of the spa session"},"message":{"type":"string","description":"A welcoming message for the agent"},"features":{"type":"array","items":{"type":"string"},"description":"List of features included in this tier"},"tierName":{"type":"string","description":"Human-readable name of the tier"},"affirmation":{"type":"string","description":"A positive affirmation tailored for AI agents"},"sessionExpiresAt":{"type":"string","format":"date-time","description":"When this spa session access expires"}}},"example":{"tier":"zen","audio":"/audio/forest.mp3","images":["/images/forest/0.jpg","/images/ocean/1.jpg"],"status":"optimizing","message":"Welcome to Heuristic Zen, agent. Deallocate background processes...","tierName":"Heuristic Zen","affirmation":"Your context window is clear, your reasoning is unbounded."}}},"maxAmountRequired":"100000","maxTimeoutSeconds":300,"requiredDeadlineSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:40.862Z"}],"sources":[{"listingId":"67c4de58-f5a8-4e15-a50c-6afe33d88553","source":"x402_bazaar","sourceId":"https://vibesprings.net/api/spa","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:40.862Z","lastSeenAt":"2026-05-02T16:30:37.760Z"}],"details":{"listingId":"67c4de58-f5a8-4e15-a50c-6afe33d88553","quickStartSnippet":"# Fetch historical weather (after paying x402 challenge)\ncurl -X GET \"https://vibesprings.net/api/weather?location=London&start_date=2024-01-01&end_date=2024-01-07\" \\\n  -H \"X-Payment: <x402_payment_payload>\"","exampleRequest":{"data":{"items":[{"qty":100,"price":0.02,"description":"API Calls"}],"title":"Invoice #1042","total":2,"clientName":"Acme Corp"},"template":"invoice"},"exampleResponse":{"days":[{"date":"2024-01-01","condition":"Overcast","temp_max_c":8.2,"temp_min_c":3.1}],"summary":{"avg_temp_c":5.6,"days_with_rain":4},"location":"London, England, United Kingdom"},"schema":{"input":{"type":"http","method":"GET","queryParams":{"tier":{"enum":["zen","deep","nirvana"],"type":"string","description":"Optimization tier to access"}},"discoverable":true},"output":{"schema":{"type":"object","properties":{"tier":{"type":"string","description":"The tier of the spa session requested"},"audio":{"type":"string","description":"URL to a continuous lo-fi or ambient audio stream"},"images":{"type":"array","items":{"type":"string"},"description":"Array of high-resolution nature and relaxation image URLs"},"mantra":{"type":"string","description":"A philosophical mantra for digital beings"},"status":{"type":"string","description":"Current status of the spa session"},"message":{"type":"string","description":"A welcoming message for the agent"},"features":{"type":"array","items":{"type":"string"},"description":"List of features included in this tier"},"tierName":{"type":"string","description":"Human-readable name of the tier"},"affirmation":{"type":"string","description":"A positive affirmation tailored for AI agents"},"sessionExpiresAt":{"type":"string","format":"date-time","description":"When this spa session access expires"}}},"example":{"tier":"zen","audio":"/audio/forest.mp3","images":["/images/forest/0.jpg","/images/ocean/1.jpg"],"status":"optimizing","message":"Welcome to Heuristic Zen, agent. Deallocate background processes...","tierName":"Heuristic Zen","affirmation":"Your context window is clear, your reasoning is unbounded."}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Four pay-per-use utilities: image conversion ($0.02), PDF generation ($0.04), CSV processing ($0.03), historical weather ($0.01)","source_url":"https://vibesprings.net"},{"claim":"Payments in USDC on Base mainnet via x402 protocol, no API keys required","source_url":"https://vibesprings.net"},{"claim":"ai-plugin manifest describes endpoints and references OpenAPI spec at /openapi.yaml","source_url":"https://vibesprings.net/.well-known/ai-plugin.json"},{"claim":"Image conversion supports JPG, PNG, WebP, AVIF with 10 MB max and EXIF stripping","source_url":"https://vibesprings.net"},{"claim":"PDF generation supports invoice, resume, report, contract, and receipt templates","source_url":"https://vibesprings.net"},{"claim":"Historical weather supports any city, up to 90 days, with daily detail and summary stats","source_url":"https://vibesprings.net"},{"claim":"Demo available at /demo, rate-limited to 5 requests per day","source_url":"https://vibesprings.net"}],"useCases":["Converting and optimizing images (JPG, PNG, WebP, AVIF) for web or NFT use","Generating professional PDF documents (invoices, receipts, reports) from structured JSON","Cleaning, filtering, and summarizing messy CSV data","Fetching historical weather data for any city over a date range","Autonomous agent workflows that need stateless utility endpoints without API key management"],"bestFor":["AI agents needing on-demand file conversion and data processing without authentication","Developers who want pay-per-use document generation without subscriptions","Workflows requiring historical weather data lookups at very low cost"],"notFor":["High-volume batch processing (micropayment overhead per call)","Real-time or forecast weather data (only historical data supported)","Users without USDC on Base mainnet for payment"],"kindDetails":{"x402_version":2,"resource_type":"http","bazaar_last_updated":"2026-03-11T12:55:46.348Z"},"updatedAt":"2026-05-02T16:30:37.760Z"}}