All projects on Solana matching “free”

Cheap LLM inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for Gemma / Nemotron / free OpenRouter. inference, cheap llm, gemma. Models: openrouter/free $0.001, google/gemma-4-31b-it:free $0.001, google/gemma-4-26b-a4b-it:free $0.001, nvidia/nemotron-

Agent data APIs: web search, page crawl, company enrich, X/Twitter mentions — plus cheap LLM. GET any URL → HTTP 402 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. search, crawl, enrich, twitter, inference. Models: openrouter/free $0.001, google/gemma-4-31b-it:free $0.001, google/gemma-4-26b-a4b-it:free $0.001, n

Liquidation pressure feed: 5-second buckets per symbol of long and short USD liquidated across venues, the dominant side and pressure against the symbol's own baseline, from a gap-free cursor. Use when you need to answer: Which side is being liquidated across venues right now, and how hard compared with normal? One call per 5 s, 10 s on a pass. Heavy pollers: $1 day pass, /api/keys/buy-day-pass.

Settled funding rate history of every Binance USDT-M perpetual, crypto and TradFi, one row per settlement since 2026-05-31, each with its funding time, kept current hourly from Binance's settlement list (a delisted contract Binance still lists there keeps its placeholder rate): the series behind carry and basis work. The free metric-daily download carries one daily BTC funding aggregate.

Paid trust intelligence (0.05 USDC). Solana subject wallet only. The Solana or Base accept you select returns the portable signed V7 receipt. Cheaper: GET /v1/intel/quick/5yASLjtNssGXDv6bR9e71WXKxRymDiUzbgkGPqkQNgRn is the 0.001 USDC score-only teaser for the same subject. Free POST /v1/intel/preflight before spending. Sponsored Solana accepts require a payment client that honors accepts[].extra.f

When to use: you already have model inputs (S or forward mark, K, T, r, σ) and need fair value + hedge ratios — not market-premium IV. European BSM price + analytic Greeks (delta, gamma, vega, theta, rho). Works for equity spots and power/commodity forwards (use the maturity mark as spot). USDC exact on Solana/Base. Free fixed sample: GET /v1/demo/option-price.

Use this when a carrier looks suspicious — a name change, a new USDOT number tied to an old fleet, a business you suspect re-registered after a revocation — and you need the full evidence: every other USDOT number sharing a contact identifier with it, and whether any of them carries a revocation or suspension motive. Call the free screen_carrier_identity first if you only need the flag and a count

FullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, and 20+ FullEnrich filters. Default lean roster: companies map + company_id refs; include_employment_history or verbose for full history. $0.15 when results found; free when no matches.

Email address check: verdict (deliverable_likely/risky/invalid) with reasons from syntax, MX/A records, disposable-provider list, role address, free provider, typo suggestion, SPF/DMARC/DKIM and domain age. Use when an agent is about to send to, sign up, or accept an email address and wants to avoid bounces, throwaway or mistyped addresses. One address per call; no SMTP mailbox probing.

falcon.sol structures: structured-note pricing for crypto. Send a JSON term sheet (autocallable, barrier reverse convertible, range accrual, principal-protected, shark fin) on BTC, ETH or SOL; get the fair coupon or participation, probabilities (autocall per observation, knock-in, loss), greeks, a spot x vol scenario grid and payoff-diagram data. Monte Carlo on live Deribit implied vol. Free previ

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC, and only when there is something to deliver. Changes recorded across every member of a named set (inference or devtools) after your since cursor, newest first, each with the slug, detection time, source page and the same change object the per-slug endpoint returns. An empty window is answered free (charged false) and never reaches this p

Video generation from a text prompt, a start image, reference images, or a reference clip (Kling, Seedance, MiniMax H3, Wan, Veo, Grok Imagine, more), billed at the render's actual cost — from about half provider list price, never above list. Per-model length, resolution, and audio options; the call returns finished video URLs. Menu + prices: GET /api/v1/media/models (free).

Free public facilitator for Solana and EVM chains. No fees and no account needed.

7-day x402/Solana market analytics from the only complete settlement ledger of this market: seller leaderboard by USDC earned, price-point zone distribution, repeat-buyer structure, daily volume trend. Competitive intel for anyone selling or building on the x402/Solana rail.