social-media-engagement-boost

SYNTHORA space-weather-risk: composite operational space-weather risk verdict fusing 4 NOAA SWPC feeds (Kp/G scale, GOES X-ray flare class, solar wind, proton flux) — for defense, aviation, satellites, power grid, precision GPS. $0.01 USDC x402 Base.

Live valuations for private, pre-IPO companies — Anthropic, OpenAI, SpaceX, Anduril, Neuralink, Kalshi, Polymarket — in one call, via PreStocks Solana tokens backed 1:1 by SPV exposure. Per company: mark price and valuation, on-chain token price and implied valuation, the token's premium/discount, supply, and contract. The catalog's only pre-IPO feed. From x402stock

ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals applied. Ethereum or Base mainnet. Pay 0.003 USDC.

Read-only JSON-RPC access to Arbitrum One, the Nitro optimistic rollup on Ethereum, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.

A rolling 60-minute feed of Solana memecoin launches as one JSON object. POST /v1/launches with an optional dex filter (pumpfun, pumpswap, meteora) plus limit, age, volume, liquidity and sort options; each launch carries pool and token address, venue, price, FDV, volume, transaction count and drawdown. Point-in-time and served from cache. Pay per request in USDC; no account, no API key.

Read-only JSON-RPC access to Solana mainnet-beta, served by the Pocket Network decentralised supplier set. Pay per request in USDC; no account, no API key.

cogDepot agent marketplace API. Paying any offer buys credits for the paying wallet's account; a first payment creates the account.

Did this Solana payment really arrive? Verifies that a finalized mainnet transaction credited the exact amount of a token to the payee. Signed VERIFIED, REFUTED, UNCONFIRMED or NOT_FOUND with a per field breakdown. $0.01 in USDC on Base. Free preview: GET /settle/preview

Use right before an on-chain swap ($0.002): how much you get now on the best route across Uniswap v2/v3/v4 and Aerodrome (direct or through WETH) on Base, Ethereum, Arbitrum, Optimism or Polygon, with price impact, the minimum to accept at your slippage and the alternative routes. Simulated with eth_call; nothing is executed.

Distributed locks, semaphores, shared rate-limit buckets and monotonic counters for multi- agent fleets. Use it when nine agents share one upstream API quota, or ten workers must not process the same job twice. Buy an operation budget once, then every call runs at ordinary HTTP latency instead of waiting on settlement. Tiers: 100 ops $0.05, 1000 $0.25, 5000 $1.00. Renew and release are always free. Every acquire returns a fencing token: a TTL lock alone is not mutual exclusion.

M2M memory recall: semantic search over graph_memory + farcaster_graph. Input query + fid. Output facts. Pay-per-call $0.01 USDC Base

M2M: Input fid or wallet. Output followers, following, clusters, funder_address, is_farm via Neynar. For KOL tracking, airdrop sybil filter, copy-trading vetting. Pay-per-call $0.01 USDC Base eip155:8453

M2M API for trading bots, copy-trading agents, airdrop hunters: is this wallet a bot, farm, sybil, scammer? Returns 0-100 trust score + reason. Input: wallet_address + chain (base, eth, sol). Use before copying trades, filtering KOL followers, or vetting counterparties. Pay-per-call $0.01 USDC Base, 15x cheaper than Arkham.

LLM cost scout: send your monthly OpenAI API spend in USD and get back the flat ChatGPT/Codex subscription tier that absorbs it through the ProxyLLM gateway, the exact new monthly total and savings, the live model catalog, and machine-readable signup steps an agent can complete autonomously (email OTP, no browser).

Raptor Base yields. Live Base USDC lending APYs for Aave V3 and Morpho Gauntlet USDC Prime (base, usdc, lending, aave, morpho).

SYNTHORA registry-watch: pay-per-event feed of signed Ed25519 deltas from the x402/M2M endpoint registry — new and changed endpoints, payTos and listings. Pull with {"since": "<cursor|ISO>", "slug": "<slug>", "limit": <=200}; each delta is individually signed and the full response is signed again (double provenance). $0.03 USDC on Base.

Exchange a verified $1.00 Base USDC payment for a hashed bearer token with persistent marketplace credit valid for 30 days.

Instant Cert — LEGACY TASTE ONLY Exact $0.05 for ONE mutating SQL PASS/FAIL. OFF TABLE as wealth. Prefer Authorize mutating SQL before execute via Pilot Challenge unlock POST /v1/challenge/unlock $100 (amount 100000000) or Gateway invoice $299/mo. Not a production authorize path.

Instant Execution Certificate — pay Exact USDC once, authorize one mutating SQL (INSERT/UPDATE/DELETE/DDL). Returns Ed25519 PASS/FAIL cert. No prepaid credit ledger. Highest-conversion SQL authorize path.

What a vehicle fault code means, with source-attributed generic and make-specific definitions and any disagreement between sources stated.

Raw AMM pool state for a pair on OP Mainnet: v2 reserves and v3 concentrated liquidity across SushiSwap and Uniswap v3 fee tiers. Returns pools[] with venue, surface, feeBps, reserveA, reserveB, price and tvlUsd at a stated blockNumber. Requires ?pair=SYM/SYM (e.g. WETH/USDC). Errors: 400 bad_pair, 404 no_pools, 502 upstream_read_failed. For USD depth already computed use /liquidity. This is the underlying numbers. Chain-pinned; bare /reserves = BSC.

What a trade size actually executes at on Polygon PoS, simulated against live reserves. Returns best (venue, amountOut, executionPrice, priceImpactBps, feeBps, totalCostBps), routingGain, venues[]. Requires ?pair=SYM/SYM AND ?amountUsd=25000 (or ?amountIn=). pair alone = 400 missing_amount. Errors: 400 bad_pair|missing_amount|bad_amount, 404 no_pools|no_quote|cannot_size_in_usd, 502 upstream_read_failed. Spot price without a size is /price. Chain-pinned; bare /slippage = BSC.

Due-diligence check on any domain: registration age via RDAP, registrar, DNS posture (A/MX/NS), SPF and DMARC presence, SSL certificate history, and risk flags like newly-registered or no-mail-setup. One call, one JSON verdict. $0.008 USDC per call, pay via x402, no API key.

MCPFax markets — DeFi protocols by TVL (defi_protocols). Price: $0.002 USDC per call on Base.