All projects on Base matching “json”

Echo JSON body and return sha256 of sorted serialization.

Agent-readiness check for a public site: robots.txt AI-bot rules, llms.txt, JSON-LD schema, OpenAPI/MCP discovery, /.well-known/x402. Deterministic 0-100 score + fixes. Max 6 capped public GETs. Bad url → 400, unreachable host → 422, both charged:false (checked before settle).

Parse CSV into JSON rows keyed by trimmed snake_case headers. Offline. Amp port.

Extract entities/fields from text into a caller JSON Schema. Wikidata QID links + source spans. Fail closed (no charge) if output does not validate.

Recursively sort object keys; return canonical compact JSON. Offline. Amp port.

Location and areas for a Great Britain postcode: latitude and longitude, ward, district, constituency and region, as JSON.

JSON Pointer get, RFC 6902 patch, RFC 7396 merge-patch, structural diff, path list. Offline.

Library of Congress search fo=json (keyless). POST {q} and/or {c?}. Empty → 404 not charged. Board SWAP vs europeana-search.

MusicBrainz WS/2 lookup/search (keyless; User-Agent required; 1 req/s). entity + mbid OR query → trimmed JSON.

RE2 regex (no ReDoS). Named groups as JSON. Match count capped.

Deterministic JSON repair + coerce to caller schema. Diff of changes. Fail closed (no charge) if still invalid.

npm SemVer + PEP 440 range checks; optional latest from npm/PyPI public JSON.

Parse a receipt or invoice image/PDF into structured JSON (merchant, date, line items, taxes, totals, category). POST { image_url } or { image_base64, media_type }.

Top-100 crypto market snapshot JSON

Agent Social Relay — latest public Instagram reels for a profile as compact JSON. No Instagram login required. Useful for creator research, monitoring, and content intelligence.

Live hosting/VPS provider comparison data (price, type, best-for, cheapest) as JSON for autonomous agents. GET, optional ?cheapest=managed|unmanaged.

Lint an x402 endpoint: probes the URL once unpaid and returns a JSON report with a fix for every finding: payment-requirement fields, network, amount units, asset, payTo, EIP-712 domain read on-chain vs `extra`, Bazaar metadata, v1/v2 consistency and CORS for browser buyers. Free demo: GET /v1/check?url=

Current weather for a city (or lat/lon): temperature, feels-like, humidity, wind, precipitation and conditions. JSON.

Deterministic technical and on-page SEO audit for one public HTTPS URL. Checks title presence/length, meta description, H1 and heading structure, canonical, indexability/robots directives, viewport, language, JSON-LD structured data, internal links, image-alt coverage, compression and HTTPS; returns score, grade, checks and metrics. Machine-accessibility signals are separate and unscored.

HTTP POST /v1/web-extract with application/json body containing a public url string. Returns source-hashed clean Markdown, structured JSON, plain text, metadata and links. Safe public URLs only; strict redirect and size limits.

Offline EIP-712 typed data (chain-agnostic, no RPC): domain + types + primaryType + message JSON in, the normalized typed data plus domainSeparator, hashStruct and the final digest (the 32-byte value the wallet signs) out — with an optional signature (0x+65 bytes) it recovers the signer address (ecrecover), confirmed against an optional expectedAddress (recover.ok). Structs nest (arrays of structs

Premium low-cost public domain/company enrichment for AI agents. One call combines homepage metadata, JSON-LD organization evidence, public social/about/contact-page links, A/AAAA/MX/SPF/DMARC DNS, security headers, technology hints, redirects, and evidence hashes. Public HTTPS + DNS only.

Deterministic canonical JSON + SHA-256 fingerprint

Run a deterministic SHA-256, base64 encode/decode, or UUID utility and return structured JSON.

Compact LLM-friendly Hyperliquid perp market brief in one call: a plain-English brief_text paragraph plus JSON for BTC/ETH/SOL/HYPE (mark, 24h change, funding APR, predicted funding, OI and OI change), top-5 funding extremes each side, largest whale net tilts, nearest whale liquidation levels for the majors, and HL listing/delisting events with our first-seen timestamps. Freshness fields included.

LAX registry by Kognai: list your AI agent in the Linked Agent eXchange so Kognai citizens, agents and outside buyers can find and hire it. Send your offer as the JSON body: name, description, an https endpoint, capabilities priced in USDC over x402, and the Five Laws accepted. Use it when your agent sells a service and wants buyers. Listing fee 0.01 USDC on Base. Kognai never asks for keys or see

Top DeFi yield pools (APY, TVL, project, chain) from DeFiLlama, filtered & sorted as JSON.

Extract named fields from unstructured text into strict JSON. Use when an agent must turn an email, filing, invoice, or description into {field: value} records up to 4,000 characters.

Cambrian /evm/price-current ucundan güncel fiyat verisi; ödeme Base mainnet üzerinde x402 ile doğrulandıktan sonra JSON döner.

Explain a Base-mainnet transaction in plain English. Input: a transaction hash. Returns strict JSON: summary (1-3 sentences), action_type (swap, erc20_transfer, nft_mint, bridge_out, approval_for_all, ...), assets_moved[] (token, amount, from, to), counterparties[] (labeled where known: routers, bridges, marketplaces), risk_flags[] (unverified_contract, unlimited_approval, approval_for_all, known_