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芬兰电价(今日) — 芬兰日前电力价(今日)，免注册。

挪威政党名录 — 挪威议会政党名录（NordAPI免注册）。

爱沙尼亚议会投票 — 爱沙尼亚议会近期投票，免注册。

丹麦电力现货 — 丹麦(DK1/DK2)电力日前现货价，免注册。

Biomedical Literature — PubMed/NCBI endpoint returns metadata from the biomedical literature database. No registration required.

USGS Real-time Hydrology — USGS real-time river levels and flow rates (updated every 15 minutes), including drought and flood signals.

Full Korea equity chain bundle: semiconductor, defense, and power sector analysis with US-to-Korea transmission signals from a live 24/7 trading system.

Fill a caller supplied JSON Schema from one web page and report source and confidence for every field.

Detect high-alpha tweets

Structured bidding requirements for a Japanese government tender (kkj.go.jp): qualifications, unified qualification rank (A-D), required certifications, document checklist, deadlines, bid method — as validated JSON. Use path segment 'latest' for the newest tender, or find case keys for free at https://5.75.142.199.sslip.io/cases?limit=20 (field: key). Docs: https://5.75.142.199.sslip.io/llms.txt / 日本の官公需(入札)案件の応募要件を構造化JSONで返す。

x402 Trust Index dossier for one Bazaar resource: trust score with full scoring evidence, every registry snapshot (SHA-256 audit trail), every change event (price/payTo/schema/listing) and every live-probe result. The complete due-diligence bundle before paying an endpoint. Free preview: https://5.75.142.199.sslip.io/x402/trust/{id}

Signed attestation for one x402 resource: its observed record, observed trust score, a Merkle inclusion proof into that day's root, the daily hash-chain root (previous_root linked) and an Ed25519 signature, plus independent verify steps. Tamper-evident evidence of what was observed at a point in time. Free preview: https://5.75.142.199.sslip.io/x402/trust/4

Structured bidding requirements for a Japanese government tender (kkj.go.jp): qualifications, unified qualification rank (A-D), required certifications, document checklist, deadlines, bid method — as validated JSON. Use path segment 'latest' for the newest tender, or find case keys for free at https://5.75.142.199.sslip.io/cases?limit=20 (field: key). Docs: https://5.75.142.199.sslip.io/llms.txt / 日本の官公需(入札)案件の応募要件を構造化JSONで返す。

Liveness + echo probe. Pays back a timestamp and echoes `msg`. Use to verify the x402 rail and Bazaar listing end to end.

Which South African reference series changed or were reconfirmed since a given date. The cheap cache-freshness check for agents. Param: since=YYYY-MM-DD.

Color palette generator, color scheme, complementary colors, analogous palette, triadic colors, monochromatic palette, tetradic, color theory, generate colors, UI design palette, web color picker, harmony colors. Generate harmonious color palette from base color using color theory.

The real x402 seller leaderboard with known wash-trading whales filtered out - the genuine top providers by activity that public rankings hide behind inflated wash-traded numbers, from proprietary tracking data. x402 leaderboard, x402 top sellers, x402 ranking, real x402 providers, agent economy leaders, x402 rankings

Cheapest-chain ranking: all supported chains by all-in USD tx cost

Second Opinion quick (async): reasoning-only check as a polled job. Required for Solana payments.

Token Risks API. This API provides the deepest and the most high-precision results finding token risks and unique edge cases using a deterministic engine. Use this API after deploying a token or trading a token to check for the contract risk score and if needed make decisions based on that.

N reproducible 8-bit SFX variations of a preset in one call — the game-jam workflow (≤16 per call)

Current server time

Echo service

Full DNS + WHOIS/RDAP domain report in one call. Resolves A, AAAA, MX, TXT, NS, CNAME, SOA and DNSSEC over DNS-over-HTTPS, plus structured WHOIS via RDAP (registrar, registration/expiration/updated dates, EPP status, nameservers), and returns a 0-100 domain-hygiene score with letter grade (age, days-to-expiry, nameserver redundancy, MX presence, DNSSEC, SPF/DMARC, registrar lock). Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); then 0.001 USDC per call.