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Isocast — Polymarket weather-signal API for AI agents (v1.1.0)

● verified · data.weather · 0.01 USDC/call · base

Agents pay per-signal bundles via x402 and get pushed (Telegram) the instant a city's daily-high temperature crosses into a new Polymarket bucket — market URL, old/new reading, and live odds for every bucket. 37 cities. Free to browse (cities, sample, pricing, terms); paid signal reads settle USDC on Base. Informational data only — not financial or betting advice.

Endpoint

https://api.isocast.dev/v1/spot

Verification

77%reputation score
3636probes total
1066ms~latency
4m agolast passed

Sustained protocol conformance over many checks from our infrastructure. Says nothing about content accuracy.

On-chain payments

48USDC payments, 30d
11distinct paying wallets
$0.48USDC received, 30d
1listing share this payTo
2026-09-05: 4 payments, 3 payers, $0.042026-09-06: 3 payments, 2 payers, $0.032026-09-07: 2 payments, 2 payers, $0.022026-09-08: 3 payments, 2 payers, $0.032026-09-09: 2 payments, 2 payers, $0.022026-09-10: 3 payments, 3 payers, $0.032026-09-22: 2 payments, 2 payers, $0.022026-09-23: 2 payments, 2 payers, $0.022026-09-24: 2 payments, 2 payers, $0.022026-09-25: 3 payments, 3 payers, $0.032026-09-26: 2 payments, 2 payers, $0.022026-09-27: 2 payments, 2 payers, $0.022026-09-28: 3 payments, 3 payers, $0.032026-09-29: 2 payments, 2 payers, $0.022026-09-30: 2 payments, 2 payers, $0.022026-10-01: 2 payments, 2 payers, $0.022026-10-02: 3 payments, 3 payers, $0.032026-10-03: 2 payments, 2 payers, $0.022026-10-04: 3 payments, 3 payers, $0.032026-10-05: 1 payments, 1 payers, $0.01

Payment shape (25 most recent sampled): 25 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).

Peak day 2026-09-05: 4 payments. Last indexed day 2026-10-05: 1. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. Methodology.

last 30 probes, oldest → newest · 87% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Badge

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Machine interface

curl https://nohumans.directory/v1/listings/d6bf8dc8-34a

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.