{"version":1,"x402Version":2,"serviceName":"Linkrra Synap","provider":"Linkrra","providerUrl":"https://synap.linkrra.com","category":"AI/LLM inference","iconUrl":"https://linkrra.com/favicon-512.png","resources":["https://pool.linkrra.com/api/billing/x402/chat/completions","https://pool.linkrra.com/api/billing/x402/topup","https://pool.linkrra.com/api/billing/x402/tts","https://pool.linkrra.com/api/billing/x402/models/qwen3-vl-30b-a3b-instruct/chat/completions","https://pool.linkrra.com/api/billing/x402/models/qwen3-30b-a3b/chat/completions","https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions","https://pool.linkrra.com/api/billing/x402/models/gpt-oss-20b/chat/completions","https://pool.linkrra.com/api/billing/x402/models/gemma-4-26b-a4b-it/chat/completions","https://pool.linkrra.com/api/billing/x402/models/muse-glimmer-30b/chat/completions"],"endpoints":[{"resource":"https://pool.linkrra.com/api/billing/x402/chat/completions","method":"POST","description":"Linkrra Synap: OpenAI-compatible chat completions API (LLM inference) for chat, coding and agent workloads. Pay per call in USDC on Base via x402 - no account, no API key. Model \"auto\" picks the cheapest fit. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001},{"resource":"https://pool.linkrra.com/api/billing/x402/topup","method":"POST","description":"Linkrra inference credits — pay-as-you-go top-up ($1-$1000) at $0.2273/M tokens","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":1},{"resource":"https://pool.linkrra.com/api/billing/x402/tts","method":"POST","description":"Linkrra Voice TTS — pay-per-call text-to-speech for 19 characters. Returns a WAV clip. Price is computed from this exact text (no estimate, no overdraw), subject to a $0.01 minimum charge per paid call — a clip whose character-based price is below the minimum is quoted and settled at exactly the minimum. No refund path.","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"10000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.01},{"resource":"https://pool.linkrra.com/api/billing/x402/models/qwen3-vl-30b-a3b-instruct/chat/completions","method":"POST","description":"Linkrra Synap: Qwen3 VL 30B A3B Instruct (model \"qwen/qwen3-vl-30b-a3b-instruct\") - vision. OpenAI-compatible chat completions for this one model, 64K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001},{"resource":"https://pool.linkrra.com/api/billing/x402/models/qwen3-30b-a3b/chat/completions","method":"POST","description":"Linkrra Synap: Qwen3 30B A3B Instruct 2507 (model \"qwen/qwen3-30b-a3b\") - general, high-throughput. OpenAI-compatible chat completions for this one model, 96K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001},{"resource":"https://pool.linkrra.com/api/billing/x402/models/qwen3-coder-30b/chat/completions","method":"POST","description":"Linkrra Synap: Qwen3 Coder 30B A3B Instruct (model \"qwen3-coder-30b\") - coding, everyday. OpenAI-compatible chat completions for this one model, 96K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001},{"resource":"https://pool.linkrra.com/api/billing/x402/models/gpt-oss-20b/chat/completions","method":"POST","description":"Linkrra Synap: OpenAI gpt-oss-20b (model \"gpt-oss-20b\") - fast + cheap general model. OpenAI-compatible chat completions for this one model, 128K context, served only on dedicated GPUs we operate, native 4-bit MXFP4. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001},{"resource":"https://pool.linkrra.com/api/billing/x402/models/gemma-4-26b-a4b-it/chat/completions","method":"POST","description":"Linkrra Synap: Google Gemma 4 26B A4B Instruct (model \"gemma-4-26b-a4b-it\") - fast general model, long context. OpenAI-compatible chat completions for this one model, 128K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001},{"resource":"https://pool.linkrra.com/api/billing/x402/models/muse-glimmer-30b/chat/completions","method":"POST","description":"Linkrra Synap: Meta Muse Glimmer 30B (model \"meta/muse-glimmer-30b\") - agentic reasoning + tool use (text). OpenAI-compatible chat completions for this one model, 128K context, served only on dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com","accepts":[{"scheme":"exact","network":"eip155:8453","amount":"1000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xAA0a350f6080940c138A8A50C0Fa8c8387782eb4","maxTimeoutSeconds":120,"extra":{"name":"USD Coin","version":"2"}}],"minimumPriceUsd":0.001}],"discovery":{"resources":"https://pool.linkrra.com/x402/discovery/resources","openapi":"https://pool.linkrra.com/openapi.json","models":"https://pool.linkrra.com/v1/models"},"instructions":"OpenAI-compatible inference, paid per call in USDC on Base (eip155:8453, scheme exact). No account and no API key: POST https://pool.linkrra.com/v1/chat/completions without an Authorization header for the 402 challenge, then repeat it with a PAYMENT-SIGNATURE header. Minimum charge $0.001 per paid call on chat/completions, $0.01 on tts (the usage-based price applies above it). Credit top-ups start at $1.00. GET https://pool.linkrra.com/v1/models for the catalogue and per-model prices; GET https://pool.linkrra.com/x402/discovery/resources for every paid resource with its live payment requirements. Contact: weare@linkrra.com","contact":"weare@linkrra.com","amountUnits":"accepts[].amount is in atomic units of accepts[].asset (USDC: 6 decimals)","generatedAt":"2026-11-04T21:29:16.796Z","source":"well-known"}