{"data":{"slug":"nexari-agent-tools","name":"Nexari Agent Tools","description":"Speech-to-text for AI agents, run by Nexari GmbH on its own hardware in Germany (EU data stays in Germany). German-optimised Whisper large-v3-turbo with optional speaker diarization (pyannote), tiers up to 2, 10 or 30 minutes, from 0.02 USD. JSON body with audio_url or audio_base64 plus business_name; longer files return a job_id and a free result_url to poll. Also: physical letter mailing within Germany (PDF printed and posted via Deutsche Post, free quote first, from 2.99 USD) and a 0.001 USD hello-world smoke test. B2B only, terms at /legal/agb, OpenAPI with x-payment-info at /openapi.json.","base_url":"https://x402.nexari.cloud","website_url":"https://x402.nexari.cloud","category":"AI","endpoint_count":8,"min_price_usd":0.001,"uptime_24h":100,"source":"submitted","status":"online","verified":false,"verified_until":null,"payment_ready":true,"payment_ready_until":"2026-11-20T17:46:02.820Z","last_success_at":"2026-11-13T17:46:02.820Z","consecutive_failures":0,"check_interval_minutes":15,"last_checked_at":"2026-11-13T17:46:02.820Z","created_at":"2026-11-13T13:58:06.560Z","uptime":{"24h":100,"7d":100,"30d":100,"90d":100,"coverage":{"24h":{"daysCovered":1,"checkCount":12},"7d":{"daysCovered":1,"checkCount":12},"30d":{"daysCovered":1,"checkCount":12},"90d":{"daysCovered":1,"checkCount":12}}},"avg_response_time_ms":192,"total_checks":15,"networks":["BSE"],"networks_caip2":["eip155:8453"],"asset":"USDC","endpoints":[{"id":"5464fde0-2381-457e-b06b-9ed6db79032e","method":"GET","path":"/hello","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. Hallo Welt der Nexari GmbH: kleinster bezahlter Test-Endpunkt, gibt Gruß, Zeit und gezahlten Betrag zurück. Hello world from Germany: smallest paid x402 smoke test, returns greeting, timestamp and paid amount. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.740Z","variable_amount":false,"min_price_usd":0.001,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"1000","price_usd":"0.0010000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"9cfbc898-8c03-4659-b41b-c5d9815c88ae","method":"POST","path":"/letter/send/q_example","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Briefversand in Deutschland: gedruckt und per Deutsche Post versendet. Erst POST /letter/quote (gratis), dann mit quote_id bezahlen. Physical letter mailing within Germany. Get a free quote first.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.672Z","variable_amount":false,"min_price_usd":2.99,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"2990000","price_usd":"2.9900000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":300}],"pay_to_divergence":null},{"id":"74f17e69-b392-4637-b5dc-901f2d5bd388","method":"POST","path":"/transcribe/10min","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Transkription bis 10 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 10 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.786Z","variable_amount":false,"min_price_usd":0.1,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"100000","price_usd":"0.1000000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":900}],"pay_to_divergence":null},{"id":"27158527-ee54-4bc3-b620-0b1ae4ecd815","method":"POST","path":"/transcribe/10min/speakers","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Transkription mit Sprechertrennung bis 10 Min Audio (pyannote + Whisper), verarbeitet in Deutschland. Speech-to-text with speaker diarization for audio up to 10 min, German-optimised, processed in Germany. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.688Z","variable_amount":false,"min_price_usd":0.2,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"200000","price_usd":"0.2000000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":900}],"pay_to_divergence":null},{"id":"9bcddf51-2020-4584-b604-35f4b3e8fbcd","method":"POST","path":"/transcribe/2min","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Transkription bis 2 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 2 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.628Z","variable_amount":false,"min_price_usd":0.02,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"20000","price_usd":"0.0200000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":900}],"pay_to_divergence":null},{"id":"532b126f-3328-47ba-b0bd-8fba9df05426","method":"POST","path":"/transcribe/2min/speakers","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Transkription mit Sprechertrennung bis 2 Min Audio (pyannote + Whisper), verarbeitet in Deutschland. Speech-to-text with speaker diarization for audio up to 2 min, German-optimised, processed in Germany. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.642Z","variable_amount":false,"min_price_usd":0.04,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"40000","price_usd":"0.0400000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":900}],"pay_to_divergence":null},{"id":"db367ab2-8782-4941-aced-b5bedb546e16","method":"POST","path":"/transcribe/30min","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Transkription bis 30 Min Audio, Whisper large-v3-turbo, Deutsch optimiert, verarbeitet in Deutschland. Speech-to-text for audio up to 30 min (mp3, m4a, ogg, wav, mp4), German-optimised, processed in Germany. JSON body with audio_url or audio_base64. Longer files are rejected before payment settles. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.609Z","variable_amount":false,"min_price_usd":0.3,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"300000","price_usd":"0.3000000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":900}],"pay_to_divergence":null},{"id":"b4ed6cf3-ac9f-4996-ac4f-2840ced63228","method":"POST","path":"/transcribe/30min/speakers","description":"B2B only. Paying accepts AGB/terms https://x402.nexari.cloud/legal/agb/58bf28adb3823f1418b74e12f1995e5e8629ccbf6fb7d73b6174355c14f1411f. business_name required. Transkription mit Sprechertrennung bis 30 Min Audio (pyannote + Whisper), verarbeitet in Deutschland. Speech-to-text with speaker diarization for audio up to 30 min, German-optimised, processed in Germany. Provider runs a monthly paid self-test.","mime_type":"application/json","is_active":true,"first_seen_at":"2026-11-13T13:58:06.560Z","last_seen_at":"2026-11-13T17:46:02.769Z","variable_amount":false,"min_price_usd":0.6,"networks":["BSE"],"pricing":[{"scheme":"exact","network":"eip155:8453","network_caip2":"eip155:8453","asset_address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_address_norm":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USDC","price":"600000","price_usd":"0.6000000000","pay_to":"0x5c3351bf0843e533054E87E05B20486f25B04254","max_timeout_seconds":900}],"pay_to_divergence":null}],"pay_to_changes":[],"assessment":{"updated_at":"2026-11-13T14:03:13.222Z","input_hash":"d8b6abf013d0a96394ad13252ccd0f75ae0995066ab42b4421ae33c8b1b92a7e","model_id":null,"prompt_version":null,"reliability":{"uptime":{"24h":null,"7d":null,"30d":null,"90d":null},"response_p95_ms":179,"avg_response_ms":179,"last_checked_at":"2026-11-13T13:59:01.648Z","consecutive_failures":-1,"total_checks":1},"compliance":{"grade":"A","passed":14,"total":14,"checks":[{"id":"payload_captured","label":"402 payload captured","pass":true},{"id":"accepts_present","label":"accepts[] array present","pass":true},{"id":"payto_recoverable","label":"payTo address recoverable","pass":true},{"id":"payto_conformant","label":"payTo at accepts[0].payTo (conformant shape)","pass":true},{"id":"payto_shape","label":"payTo is a valid on-chain address","pass":true},{"id":"price_present","label":"atomic price declared","pass":true},{"id":"price_sane","label":"atomic price in a sane range","pass":true},{"id":"asset_declared","label":"asset (token) address declared","pass":true},{"id":"network_caip2","label":"network resolves to CAIP-2","pass":true},{"id":"scheme_declared","label":"payment scheme declared","pass":true},{"id":"transport_https","label":"served over HTTPS","pass":true},{"id":"x402_version_current","label":"declares the current x402 version (2)","pass":true},{"id":"eip712_domain_extra","label":"EIP-712 domain parameters present on every EVM entry","pass":true},{"id":"version_channel_coherent","label":"x402 v2 envelope delivered in the payment-required header","pass":true}],"pay_to_source":"payTo","pay_to_location":"accept","staleness":{"probe_failing":false,"last_success_at":"2026-11-13T17:46:02.820Z","envelope_captured_at":"2026-11-13T13:59:01.648Z"}},"site":{"homepage":true,"openapi":true,"pricing":false,"llms_txt":true,"robots":true,"terms":false,"checked_at":"2026-11-13T14:03:12.319Z"},"domain":{"age_days":null,"registrar":null,"free_host":false,"created_date":null,"checked_at":"2026-11-13T14:03:13.090Z"},"economics":{"price_usd":0.001,"price_atomic":"1000","model":"tiered","category_percentile":11,"stability":1,"price_max_usd":2.99,"category_percentile_max":89,"endpoint_count":8,"distinct_price_count":8},"risk":{"level":"clean","flags":[]},"synthesis":null,"traction":null}},"provenance":{"license":"CC-BY-4.0","attribution_required":true,"attribution":"Data: x402-list.com (CC BY 4.0)","cite_as":"https://x402-list.com/services/nexari-agent-tools","source":"https://x402-list.com"}}