Pro
25 free queries, then $49/mo or $490/yr. The first 10 need no key. The next 15 come with a free key sent to your email. The free queries are one-time, not a daily refill. The paid plan includes a 7-day full refund.
US ISO INTERCONNECTION QUEUES AND CITED ENERGY DATA ARE THE LIVE CORE.
STEP 1 · TAKES ONE EMAIL
The 7-day promise
Try it on your real workload. If it isn't right inside a week, email from your key's address and the full amount comes back — no questions, no forms.
Refunds: [email protected]key questions welcome at the same address
OPTIONAL · LOCKS EARLY PRICING
Subscribe now
Subscribe and your key unlocks the moment payment completes — past the 25 free queries, with full history, evidence at volume, and change-alerts.
Subscribe — $49/mo $490/yr — two months freeHave a free key? Use the upgrade link in its email, so that same key is upgraded. Otherwise check out with the email you want a key for.
Trial vs paid
| Free (10 + 15) | Paid key | |
|---|---|---|
| Latest snapshot, cited, on the open data points | within the 25 free queries | ✓ |
Full audited history — query any past as_of | — | ✓ |
| Change-alert webhooks the moment data updates | — | ✓ |
| Source-evidence verification at agent scale | single calls | ✓ |
| Price | $0 · 10 with no key, 15 more with a free key | $49/mo or $490/yr · 7-day full refund |
The details
- Using your key: send it as a bearer token —
Authorization: Bearer exa_…— on MCP or REST. - The free key: enter an email at exascale.build/free and the key arrives by email as a personal link, with 15 more free queries. When they are used up, the upgrade link in that email moves the same key to the paid plan.
- What an agent sees without a paid key: the latest snapshot is included in the 25 free queries. Asking for a past
as_ofreturns402 deep_tier_requireduntil you have a paid key. Four PJM/MISO capacity-market data points require a paid key on every query; they are not part of the 25 free queries. - Refunds: full refund inside 7 days of first payment — one email from your key's address, no questions.
- Enterprise (SLA, support, custom volume): talk to us.