Discover / synap402.com

Synap by Linkrra

● Live

Synap by Linkrra — OpenAI-compatible chat completions for coding and agent workloads on dedicated GPUs. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. First call free per new wallet (cheap models, up to 512 tokens, non-streaming, daily cap). Self-hosted open models use 4-bit weights. From $0.001 per call. Streaming supported: https://synap402.com

Listed price
$0.001
Chains
Base and Solana
Paid in
USDC
Live
1 of the last check
Median response
428 ms
Last checked
8 Nov, 12:22 UTC
In our index since
8 Nov 2026

Our probes look for a payment challenge. They don't test payment or delivery.

Endpoint

curl -i https://synap402.com/api/billing/x402/chat/completions
11 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://synap402.com/api/billing/x402

  • POST/tasks/review-code$0.001Synap by Linkrra - code review: send a unified diff or source code, get a summary and a JSON list of issues (severity, file, line, message, suggestion) - bugs, security, edge cases, no style nits. Invalid model output = no charge. Open models on dedicated GPUs. Pay per call in USDC on any network in the payment challenge; no account, no API key.
  • POST/models/gpt-oss-20b/chat/completions$0.001Synap by Linkrra · OpenAI gpt-oss-20b — fast + cheap general model. OpenAI-compatible inference: 128K context, dedicated GPUs we operate, native 4-bit MXFP4. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. First call free per new wallet (cheap models, up to 512 tokens, non-streaming, daily cap). From $0.001 per call. Streaming supported.
  • POST/models/qwen3-vl-30b-a3b-instruct/chat/completions$0.001Synap by Linkrra · Qwen3 VL 30B A3B Instruct — vision. OpenAI-compatible inference: 64K context, dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. From $0.001 per call. Streaming supported.
  • POST/chat/completions$0.001Synap by Linkrra — OpenAI-compatible chat completions for coding and agent workloads on dedicated GPUs. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. First call free per new wallet (cheap models, up to 512 tokens, non-streaming, daily cap). Self-hosted open models use 4-bit weights. From $0.001 per call. Streaming supported: https://synap402.com
  • POST/tasks/describe-image$0.009471Synap by Linkrra - describe an image: send image_url (fetched server-side, public URLs only) or image_base64 (PNG, JPEG, GIF, WebP, 4 MB) and an optional question; get a precise description with visible text transcribed. Qwen3-VL on dedicated GPUs. Fetch fails = no charge. Pay per call in USDC; no account, no API key.
  • POST/models/qwen3-coder-30b/chat/completions$0.001Synap by Linkrra · Qwen3 Coder 30B A3B Instruct — coding, everyday. OpenAI-compatible inference: 96K context, dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. From $0.001 per call. Streaming supported.
  • POST/tasks/summarize-url$0.002641Synap by Linkrra - summarize a web page: send a URL, we fetch it server-side (public http/https, HTML or plain text, 2 MB, 10 s) and return a faithful summary plus the page title. Fetch fails = no charge. Open models on dedicated GPUs. Pay per call in USDC on any network in the payment challenge; no account, no API key.
  • POST/models/gemma-4-26b-a4b-it/chat/completions$0.001Synap by Linkrra · Google Gemma 4 26B A4B Instruct — fast general model, long context. OpenAI-compatible inference: 128K context, dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. From $0.001 per call. Streaming supported.
  • POST/models/muse-glimmer-30b/chat/completions$0.001Synap by Linkrra · Meta Muse Glimmer 30B — agentic reasoning + tool use (text). OpenAI-compatible inference: 128K context, dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. From $0.001 per call. Streaming supported.
  • POST/models/qwen3-30b-a3b/chat/completions$0.001Synap by Linkrra · Qwen3 30B A3B Instruct 2507 — general, high-throughput. OpenAI-compatible inference: 96K context, dedicated GPUs we operate, 4-bit AWQ. Pay per call in USDC on any network offered in the payment challenge; no account, no API key. First call free per new wallet (cheap models, up to 512 tokens, non-streaming, daily cap). From $0.001 per call. Streaming supported.
  • POST/tasks/extract-json$0.001Synap by Linkrra - JSON extraction: send text and a JSON Schema, get data validated against that schema server-side (one automatic repair retry). Output still invalid = 422 and nothing is charged. Open models on dedicated GPUs. Pay per call in USDC on any network in the payment challenge; no account, no API key.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 11 of 11 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/synap402.com

Recent checks

8 Nov 2026Taller coloured bars mean slower responses; grey means not live.8 Nov 2026
All 1 checks
When (UTC)ResultHTTPResponse
8 Nov, 12:22 UTCLive402428ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 8 Nov, 12:22 UTC, it returned HTTP 402 or another detected payment-challenge signal.

What payment terms does Synap by Linkrra advertise?

The listing advertises x402, Base, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Something wrong on this page? Tell us.