{"tool":"deps-monitor","title":"DependencyPulse Monitor Check","what":"One bounded monitoring check of a package: the current fingerprint of its watched attributes (latest version, licence, deprecation, version count, advisories on the latest release), changed true or false against the fingerprint you kept from your previous check, the attributes that differ from YRUZ's previous observation, and when it was observed. No subscription: you call it on your own schedule, each check is one paid call.","endpoint":"https://yruz.one/api/deps/monitor","methods":["GET with query parameters","POST with a JSON body (same fields)"],"price":{"model":"fixed","usdc":"0.003"},"params":[{"name":"name","required":true,"description":"package name","example":"axios"},{"name":"ecosystem","required":false,"description":"npm (default), pypi or composer","example":"npm"},{"name":"fingerprint","required":false,"description":"fingerprint returned by your previous check (optional)","example":null}],"valid_request":{"get":"https://yruz.one/api/deps/monitor?ecosystem=npm&name=axios","post":{"url":"https://yruz.one/api/deps/monitor","body":{"ecosystem":"npm","name":"axios"}}},"how_to_pay":["1. Send the request without payment: the answer is HTTP 402 with the exact price (x402 v2 in the PAYMENT-REQUIRED header, x402 v1 in the JSON body).","2. Sign one offer of \"accepts\" with an x402 client (USDC on Base eip155:8453 or on Solana mainnet; the facilitator pays the network fee).","3. Resend the identical request (same method, parameters and body) with PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1).","4. The answer carries the receipt in PAYMENT-RESPONSE. Any changed parameter needs a new 402."],"response_shape":{"product":"string","result":{"product":"string","task":"string","task_version":"number","api_version":"string","data":{"record":"string","fingerprint":"string","changed":"null","compared_with":"string","watched":{"latest":"string","licence":"string","deprecated_latest":"null","versions":"number","advisories_on_latest":[],"last_published_at":"string"},"changes_since_previous_observation":[],"observed":{"available":"boolean","first_observed_at":"string","last_changed_at":"null","observations":"number","changed_since_last_observation":"boolean"},"ecosystem":"string","name":"string"},"provenance":[{"source":"string","name":"string","source_url":"string","record_urls":[],"retrieved_at":"string","retrieved_until":"string","served_from_cache":"boolean","licence":"string","attribution":"string"}],"data_as_of":"string","freshness_status":"string","coverage":"null","partial":"boolean","warnings":[],"usage":{"units":"number","unit":"string","records":"number","upstream_requests":"number","retries":"number","cache_hits":"number","runtime_ms":"number"},"history":{"kind":"string","note":"string"}},"payment":{"payment_id":"string","transaction":"string"}},"refusals":{"400":"invalid input: the message names the field and the expected format; nothing is charged","402":"payment required, or the payment was refused (reason in \"error\"); nothing is charged","403/404":"not your item, or the asked item does not exist; nothing is charged","409/422":"not allowed right now (state or destination safety); nothing is charged","503":"a source or the payment rail is unavailable; nothing is charged, retry after Retry-After"},"mcp":{"server":"https://yruz.one/mcp/x402","payment":"params._meta[\"x402/payment\"] = PaymentPayload"},"related":{"tools":[{"tool":"deps-check","url":"https://yruz.one/api/deps/check","why":"advisories of one package version","usd":"0.005","how":"https://yruz.one/api/instructions?tool=deps-check"},{"tool":"deps-batch","url":"https://yruz.one/api/deps/batch","why":"many package versions at 0.002 each","usd":"0.01","how":"https://yruz.one/api/instructions?tool=deps-batch"},{"tool":"deps-audit","url":"https://yruz.one/api/deps/audit","why":"a whole lockfile","usd":"0.025","how":"https://yruz.one/api/instructions?tool=deps-audit"}],"more_x402_apis":{"402index":"https://402index.io","x402scan":"https://www.x402scan.com","agent402":"https://agent402.tools","x402_protocol":"https://www.x402.org"},"all_yruz_tools":"https://yruz.one/api/instructions"}}