Developer API

Build on EMBI℠

Pull live indices, markets, and belief-mover signals into your product. The API is a paid, tiered subscription — Developer for cached public data, Analyst + API to add the human analyst web layer, and Enterprise for a full commercial data license with redistribution rights. Explore the docs and examples freely; a key is issued once you subscribe.

API status & uptime

Choose your API plan

Developer

Cached public index for widgets & side-projects.

$29/mo

Public index + markets list
Cached data (hourly)
50,000 API calls / month
"Powered by EMBI" attribution required

Popular

Analyst + API

The Analyst web layer + the Developer API, in one.

$68/mo

Everything in the Analyst web subscription
Developer API: public index + markets list
60,000 API calls / month
"Powered by EMBI" attribution required

Enterprise

Full commercial data license + the Analyst web layer, redistribution & SLA.

$499/mo

Everything in Analyst + API
The Analyst web subscription included
Commercial redistribution rights
Custom high-volume limits (fair use)
SLA + priority support

Need the human analyst view too? See Enterprise. Review the API License & fair-use terms.

Licensing the EMBI index itself — data feed, co-branded sub-index, or custom tracking? See index licensing

Get your API key

Pick one of the plans above to get started — you'll sign in as part of checkout, then your key appears right here.

Quick start

Request · cURL

curl https://embi.exchange/api/v1/indices \
  -H "X-API-Key: YOUR_KEY"

Every response is wrapped in { plan, quota, data } and returns X-RateLimit-* headers.

Try a call — live, no key

Hit a live, key-free preview of GET /api/v1/indices and see the exact response shape you'll get in production — before you subscribe.

Response

Press "Run sample call" to see a real response.

Endpoints

GET/api/v1/indicesThe EMBI AI Impact index and its AI-topic components

GET/api/v1/indices/{ticker}A single index with sparkline + constituents

GET/api/v1/marketsAll public markets, ranked by EMBI

GET/api/v1/markets/{id_or_symbol}EntA single market with full drift + views

GET/api/v1/markets/{id_or_symbol}/watchEnt'What to watch' — each worry's drift status, streak & plain-language 'now what'

GET/api/v1/moversBiggest-moving worry per topic across the index, with sparklines

GET/api/v1/signals?limit=40EntThe live belief-mover signal feed

Endpoint explorer

Paste one of your API keys and call any endpoint live — see the real status, response, and rate-limit headers. Analyst-tier endpoints need an Enterprise subscription.

Response

Pick an endpoint and press Send.

The "Powered by EMBI" badge

Drop this near any EMBI data you display. Attribution is required on the Developer plan.

⚡ Powered by EMBI

<a href="https://embi.exchange" target="_blank" rel="noopener"
   style="font:600 12px system-ui;color:#0a0f1e;background:#26F195;
   padding:4px 10px;border-radius:6px;text-decoration:none;">
  ⚡ Powered by EMBI
</a>

No code? Grab a ready-made widget — free

Copy-and-paste embeds for newsletters, blogs, and sites — a live AI ticker, a rising/cooling strip, and an AI Pulse card. Plain language, always up to date, no key or subscription required.

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