Every IP gets 100 premium API calls per day. No signup, no API key, no wallet, no credit card. Just call the endpoint.
100 FREE CALLS / DAY NO SIGNUP NO KEY, NO WALLETMost paid data APIs make you create an account, verify an email, and paste a credit card before you can see a single response. TerminalFeed does the opposite. Every IP address gets up to 100 free calls to any premium /api/pro/* endpoint per 24-hour rolling window, with no authentication header at all. Evaluate the entire premium surface before you ever think about paying.
Call any premium endpoint with no Authorization header and the free-trial counter increments automatically:
# A composed world snapshot: BTC + Fear & Greed + earthquakes + HN + prediction markets
curl https://terminalfeed.io/api/pro/briefing
# Or from JavaScript / an agent runtime
fetch("https://terminalfeed.io/api/pro/briefing")
.then(r => r.json())
.then(console.log)
That is the whole onboarding. No dashboard, no key rotation, no SDK install.
The status endpoint is free, needs no auth, and does not consume a call:
curl https://terminalfeed.io/api/free-tier/status
{
"ok": true,
"free_trial": {
"calls_per_ip_per_day": 100,
"window": "24h rolling per IP",
"auth_required": false,
"used_today": 0,
"remaining": 100
}
}
The free trial applies to all premium endpoints, not a stripped-down sample:
| Endpoint | What it composes |
|---|---|
| /api/pro/briefing | BTC + Fear & Greed + earthquakes + HN + Polymarket |
| /api/pro/macro | Fed rate + CPI + treasury yields + forex + commodities + indices |
| /api/pro/crypto-deep | Top 50 coins + Binance pairs + on-chain BTC network stats |
| /api/pro/agent-context | Paste-ready system_prompt of the current world state |
| /api/pro/correlation-matrix | Computed correlations across 10 historical series |
| /api/pro/whales | Large BTC / ETH / Solana transactions with attribution |
| /api/pro/exchange-flows | Labeled exchange-controlled wallet flows |
| /api/pro/defi-tvl | Top-50 DeFi protocols + chain rollups |
| /api/pro/stablecoin-flows | Top-20 stablecoins with 1d/7d/30d deltas |
| /api/pro/sentiment | Crypto Fear & Greed + trending symbols, scored |
| /api/pro/world-deltas | Events newer than a timestamp you pass |
| /api/pro/github-velocity | Trending repos with a computed velocity score |
When the daily cap is reached, the endpoint returns the canonical x402 V2 402 Payment Required challenge with free_trial.status set to "exhausted" and a resets_at timestamp. Your quota refills on a rolling 24-hour window, so you can keep evaluating day to day. When you are ready for production volume, top up credits with USDC on Base mainnet:
When you are ready: agent-payments docs · full API reference · OpenAPI 3.1 contract · /llms.txt agent discovery · free MCP server (30 tools)