Every agent-payable API.

Paid ($0.05 USDC via x402). Returns one full opportunity card by ?id= or ?slug= (exactly one required, else a no-charge 400): all score components (freqScore, intensityScore, wtpScore), productAngle, summary, evidence[] (verbatim quotes with subreddit, upvotes, permalink), builderMomentum, firstSeen, lastSeen, signalCount, distinctAuthors. Compute-first / settle-after — you are not charged when the id/slug is missing, ambiguous, or not found. Response carries fetchedAt.

List all phone numbers owned by or shared with the calling wallet.

Lease a cheap, instant, receive-only US phone number from a pool to receive one SMS verification code — the phone analogue of a disposable temp email inbox. $0.20 for 30 min (ttl_seconds, clamp 300–1800). Receive-only; call wait-otp to catch the code. Good for one-time verification on sites like Google/X/Discord; some (Telegram/WhatsApp/OpenAI) block VoIP numbers. Recycled — one-time codes only.

Provision a cheap, disposable, receive-only email inbox for receiving a one-time verification or order-confirmation email. Auto-expires (default 24h). Reads return plaintext after an x402 ownership proof from the owning wallet.

Register a domain for one year via Namecheap. Pricing is dynamic per-TLD — the 402 challenge returns the exact USDC amount (~$10 typical). Body: { domain }

Parse and normalize phone numbers to E.164 format. Detects country, carrier type, validates format. Uses libphonenumber. SQS: 98/100.

Pay $1 USDC to buy discounted x420

Person Cross Registry — an agent-callable person cross registry service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.0072 USD per call.

Predict Search — an agent-callable predict search service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.0048 USD per call.

Paid x402 endpoint for arbitrage opportunities between prediction-market platforms.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Paid x402 endpoint for newly created prediction-market data and emerging betting topics.

Public professional profile or company page fetch — clean content via managed retrieval with residential routing and JS rendering. For B2B research, lead enrichment and recruiting intelligence. linkedin, profile lookup, company data, b2b research, lead enrichment, recruiting, walled-garden data Accepts payment on Base or Solana — either network works.

Per-vault RWA risk profile — admin/freeze control + exit-liquidity

Random bytes generator / cryptographic random / CSPRNG / secure random / random token / nonce generator / session key / API secret generator / random hex base64. Generate cryptographically secure random bytes in hex or base64 encoding.

Ranks perpetual swaps by 24h USD volume across the OKX market in a single call, surfacing where derivatives liquidity and trader attention are concentrated right now. Live aggregated screener an LLM cannot produce. perp volume leaders, most active perpetuals, derivatives liquidity, hottest perps

Read any web page as clean, LLM-ready markdown — managed unlocking with residential IPs, IP rotation, automated CAPTCHA solving and full JavaScript rendering; overcomes blocks. For RAG ingestion, agent browsing and access-controlled pages. web read, fetch page, scrape, markdown, unblock, javascript rendering, rag ingestion, agent browsing Accepts payment on Base or Solana — either network works.

Real DeFi yield intelligence via DefiLlama. Enriched with gas-adjusted net APY, protocol risk tier (A-D), and IL estimates. Params: ?chain=base&minTvl=100000&minApy=5. No AI hallucinations — all data from DefiLlama pools API.

Reporting on the business of technology, startups, venture capital funding, and Silicon Valley, especially good at mobile apps news, security news, ai news, venture news, startup news. | Powered by Questflow

Verify a French company before you invoice, pay or onboard it: legal name, active/ceased status, legal form, NAF activity, workforce band, creation date and head-office address from the official INSEE Sirene register (30M+ legal units, monthly snapshot). Lookup by SIREN or SIRET. No account, no key, pay per call.

Resolve a medication before your agent acts on a prescription or an order: official identity from the French BDPM registry (ANSM/HAS) by CIS code, exact name or DCI substance - authorization and marketing status, active substances normalized to INN (the FR-US bridge), pack-level price and reimbursement rate, generic group. Same endpoint resolves US drugs by NDC or name (openFDA/RxNorm). No account, no key, pay per call.

Resolve ENS names to Ethereum addresses and reverse resolve addresses to their primary ENS name on mainnet. ens resolve, ens lookup, ens name to address, reverse ens, ethereum name service, eth domain resolver

Witty roast of any target — wallet, tweet, idea, code, anything. $0.05 USDC.

Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.

SSL/TLS certificate inspection: issuer, subject, valid_from, valid_to, days_remaining, SAN list, fingerprint, signature algorithm. Detects expired and expiring certificates. Use ?domain=example.com&port=443.

SSL/TLS certificate inspector / cert expiration checker / HTTPS validator / SAN verifier / certificate chain analyzer / cipher suite inspector / TLS protocol version detector / DV vs OV vs EV cert / SHA-256 fingerprint. Get full TLS handshake details for any domain: issuer, subject, SANs, validity dates, days remaining, fingerprint, serial, protocol, cipher. For AI agents, security audits, monitoring, HTTPS infrastructure pipelines.

send hot tokens to your email box | Powered by Questflow

Paid x402 endpoint for creating social engagement jobs on a specific post.

Paid x402 endpoint for creating social engagement jobs on a specific post.

Paid x402 endpoint for creating social engagement jobs on a specific post.

Sol Usd — an agent-callable sol usd service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.05 USD per call.

Solana Agent Registration Health Check — verifies three.ws's server-custodial Solana agent-registration subsystem end-to-end by resolving a known canary agent's on-chain Metaplex Agent Registry record (Identity PDA + Core asset) and confirming both accounts exist on-chain right now. Returns a health snapshot with latency and the checked asset. Pay-per-call in USDC on Solana or Base mainnet.

Solana GPT wrapper API using x402 payments. Default direct call: model gpt-5-mini, max_output_tokens=2000, fixed price 0.01 USDC for up to 1000 input tokens. For all other settings the price is computed per model as (input_tokens * input_price_per_million + max_output_tokens * output_price_per_million) / 1,000,000, with a minimum of 0.001 USDC and always rounded up to 6 decimals. Optional max_input_tokens lets you cap the input tokens used for pricing; if the message is longer than this cap the server returns an error instead of under-pricing. Optional action=message (or omitting action) performs a direct GPT call with the given message. Optional action=create creates a custom agent with the given message as preprompt for 0.001 USDC (no OpenAI call), stores a base_price_usdc using (max_input_tokens_for_agent or 1000) + preprompt + max_output_tokens, and returns a custom_id. Optional action=list lists up to 100 recent custom agents for the paying wallet for 0.001 USDC without calling OpenAI. Custom agents can be called via POST /solana/llm/gpt with custom_id, or POST /solana/llm/gpt/{custom_id}. Each custom agent has a fixed price per call based on its stored preprompt, model, max_output_tokens and max_input_tokens; if the runtime message is longer than max_input_tokens the server returns an error. Custom LLM agent KCBWQQHUC8D4GQB5DT on Solana. Model gpt-5-mini, max_input_tokens=5000, max_output_tokens=5000. Preprompt preview (first 150 chars): "Read the response carefully. If the response already contains an image-generation prompt, reply with ONLY that prompt verbatim. If no prompt is pres". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.017118 USDC. Estimated input tokens for pricing: 5295.

Solana GPT wrapper API using x402 payments. Default direct call: model gpt-5-mini, max_output_tokens=2000, fixed price 0.01 USDC for up to 1000 input tokens. For all other settings the price is computed per model as (input_tokens * input_price_per_million + max_output_tokens * output_price_per_million) / 1,000,000, with a minimum of 0.001 USDC and always rounded up to 6 decimals. Optional max_input_tokens lets you cap the input tokens used for pricing; if the message is longer than this cap the server returns an error instead of under-pricing. Optional action=message (or omitting action) performs a direct GPT call with the given message. Optional action=create creates a custom agent with the given message as preprompt for 0.001 USDC (no OpenAI call), stores a base_price_usdc using (max_input_tokens_for_agent or 1000) + preprompt + max_output_tokens, and returns a custom_id. Optional action=list lists up to 100 recent custom agents for the paying wallet for 0.001 USDC without calling OpenAI. Custom agents can be called via POST /solana/llm/gpt with custom_id, or POST /solana/llm/gpt/{custom_id}. Each custom agent has a fixed price per call based on its stored preprompt, model, max_output_tokens and max_input_tokens; if the runtime message is longer than max_input_tokens the server returns an error. Custom LLM agent 6BNTBUF2DASXXWCAD2 on Solana. Model gpt-5-mini, max_input_tokens=5000, max_output_tokens=5000. Preprompt preview (first 150 chars): "You writing a voice over script for a audio newsflash, can you read these topics and create a script for a tts agent, make sure it sounds natural and ". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.017048 USDC. Estimated input tokens for pricing: 5119.

Solana GPT wrapper API using x402 payments. Default direct call: model gpt-5-mini, max_output_tokens=2000, fixed price 0.01 USDC for up to 1000 input tokens. For all other settings the price is computed per model as (input_tokens * input_price_per_million + max_output_tokens * output_price_per_million) / 1,000,000, with a minimum of 0.001 USDC and always rounded up to 6 decimals. Optional max_input_tokens lets you cap the input tokens used for pricing; if the message is longer than this cap the server returns an error instead of under-pricing. Optional action=message (or omitting action) performs a direct GPT call with the given message. Optional action=create creates a custom agent with the given message as preprompt for 0.001 USDC (no OpenAI call), stores a base_price_usdc using (max_input_tokens_for_agent or 1000) + preprompt + max_output_tokens, and returns a custom_id. Optional action=list lists up to 100 recent custom agents for the paying wallet for 0.001 USDC without calling OpenAI. Custom agents can be called via POST /solana/llm/gpt with custom_id, or POST /solana/llm/gpt/{custom_id}. Each custom agent has a fixed price per call based on its stored preprompt, model, max_output_tokens and max_input_tokens; if the runtime message is longer than max_input_tokens the server returns an error. Custom LLM agent KR92MHBFNW9Z7MST4E on Solana. Model gpt-5-mini, max_input_tokens=5000, max_output_tokens=5000. Preprompt preview (first 150 chars): "You writing a prompt for a image generator to create a thumbnail of a audio news flash that is based on the topics i send you, please always just answ". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.017028 USDC. Estimated input tokens for pricing: 5068.

Solana GPT wrapper API using x402 payments. Default direct call: model gpt-5-mini, max_output_tokens=2000, fixed price 0.01 USDC for up to 1000 input tokens. For all other settings the price is computed per model as (input_tokens * input_price_per_million + max_output_tokens * output_price_per_million) / 1,000,000, with a minimum of 0.001 USDC and always rounded up to 6 decimals. Optional max_input_tokens lets you cap the input tokens used for pricing; if the message is longer than this cap the server returns an error instead of under-pricing. Optional action=message (or omitting action) performs a direct GPT call with the given message. Optional action=create creates a custom agent with the given message as preprompt for 0.001 USDC (no OpenAI call), stores a base_price_usdc using (max_input_tokens_for_agent or 1000) + preprompt + max_output_tokens, and returns a custom_id. Optional action=list lists up to 100 recent custom agents for the paying wallet for 0.001 USDC without calling OpenAI. Custom agents can be called via POST /solana/llm/gpt with custom_id, or POST /solana/llm/gpt/{custom_id}. Each custom agent has a fixed price per call based on its stored preprompt, model, max_output_tokens and max_input_tokens; if the runtime message is longer than max_input_tokens the server returns an error. Custom LLM agent 6JAF5PYRGEC8X9XYFC on Solana. Model gpt-5-mini, max_input_tokens=5000, max_output_tokens=5000. Preprompt preview (first 150 chars): "Reply to me with the image url of the most important topic, make sure it's a image url, if most important topic haven't image url use a url from the n". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.017028 USDC. Estimated input tokens for pricing: 5069.

Solana GPT wrapper API using x402 payments. Default direct call: model gpt-5-mini, max_output_tokens=2000, fixed price 0.01 USDC for up to 1000 input tokens. For all other settings the price is computed per model as (input_tokens * input_price_per_million + max_output_tokens * output_price_per_million) / 1,000,000, with a minimum of 0.001 USDC and always rounded up to 6 decimals. Optional max_input_tokens lets you cap the input tokens used for pricing; if the message is longer than this cap the server returns an error instead of under-pricing. Optional action=message (or omitting action) performs a direct GPT call with the given message. Optional action=create creates a custom agent with the given message as preprompt for 0.001 USDC (no OpenAI call), stores a base_price_usdc using (max_input_tokens_for_agent or 1000) + preprompt + max_output_tokens, and returns a custom_id. Optional action=list lists up to 100 recent custom agents for the paying wallet for 0.001 USDC without calling OpenAI. Custom agents can be called via POST /solana/llm/gpt with custom_id, or POST /solana/llm/gpt/{custom_id}. Each custom agent has a fixed price per call based on its stored preprompt, model, max_output_tokens and max_input_tokens; if the runtime message is longer than max_input_tokens the server returns an error. Custom LLM agent 32X5W88Z9PATZH85T5 on Solana. Model gpt-5-mini, max_input_tokens=1000, max_output_tokens=2000. Preprompt preview (first 150 chars): ".". Pricing mode: agent-per-token. Prepaid price (x402) for this request: 0.006401 USDC. Estimated input tokens for pricing: 1001.

Solana wallet reputation verdict in one call: smart-money skill tier (elite, skilled, average, weak, unknown), activity class, trading style flags, 24h/7d/30d trade stats, recent classified trades. Answers: can this wallet trading be trusted or copied? On-chain data only.

Upcoming SpaceX launches (next 5) with mission, pad, and T-0 details

Sports Mlb Schedule — an agent-callable sports mlb schedule service, payable over x402 (USDC on Base). Provided via 2s.io. Priced around 0.001 USD per call.

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Use when an asset manager or property manager needs operating cost benchmarks. Returns OpEx per SF, NOI margins, and occupancy rates by property type. Source: BOMA Experience Exchange + IREM Income/Expense Analysis

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Software spend profile by industry and headcount — category ranges, total stack benchmarks, and outlier flags. Source: Stratalize workforce-scaled composite. Use when sizing a technology budget for a specific industry and company size

Stratalize — attested finance, legal, healthcare, and compliance intelligence. Signed, independently verifiable receipt on every call (trust.stratalize.com/verify). Live NHL game scores, game status, and results for the past 7 days and next 7 days. Returns teams, scores, and game status. Source: TheSportsDB

Stroke count for each character (笔画数). Query: ?text=...

Suggest typo corrections for an email address. Catches domain typos (gmial.com → gmail.com) and TLD typos (.con → .com) via Levenshtein distance against 23 common domains. Use ?email=user@gmial.con. Built for AI agents validating signup forms, reducing bounce rates.

Search the Art Institute of Chicago collection by keyword, no key. Returns matching artworks with title, artist, and date. For AI agents building art discovery experiences.

Top 7 trending crypto by user searches on CoinGecko in the last 24h. Sentiment/hype signal showing what is capturing retail attention before price moves. Name, symbol, market cap rank, price, thumbnail. AI agent attention shift detector, memecoin emergence radar.

DeFi protocol fee revenue (24h, 7d, 30d) ranked by earnings. Protocol name, category, fees collected, treasury revenue, growth metrics. AI agent profitability ranker, business-model comparator, fee-vs-revenue analyzer, DeFi valuation API. 200+ protocols.

Snap a lon,lat coordinate to the nearest routable road via public OSRM. Returns matched location, road name and snap distance for the closest N points. Keyless OpenStreetMap map-matching for agents.