Crypto data API
Bring digital asset coverage, companies, sentiment, and narratives into your product. Query through REST or connect your AI through MCP.
Read the current Perception Index from the public API.
A request you can run
curl "https://api.perception.to/index"{
"score": 49,
"status": "Neutral",
"article_count_24h": 1918,
"updated_at": "2026-09-08T16:45:16.965Z",
"update_frequency_minutes": 15
}Open the source
Selected fields from a captured API response. The endpoint returns the latest value when you run it.
Ask your own question with Perception connected to your AI. Connect Perception
Choose REST or MCP
Use REST for requests from your application, scheduled job, or notebook. Use MCP when an AI client should select tools and assemble a sourced answer.
Free access includes five MCP calls a day. Paid plans include authenticated REST access and the Perception app, with separate usage allowances.
Choose the data your workflow needs
Search coverage by company, topic, source, and date. Use the returned source links and metadata to build an answer or a review queue.
Explore sentiment, trends, company profiles, and analyst data in the endpoint reference. REST endpoints and MCP tools have their own supported parameters and access rules.
Build from the endpoint reference
Create a Perception key in account settings and use it as a Bearer token for authenticated REST requests. Keep the key on your server.
The reference documents request parameters, response fields, and errors. Start with a small query and handle the allowance and retry behavior for your plan.
Open the endpoint referenceStart with the right access
Free MCP includes five calls a day. Prepaid MCP credits add usage, and paid subscriptions include REST access and the Perception app.
Choose the plan for your workload on the pricing page; each access path has its own allowance.
Compare plans and allowancesGive your next answer better context
Five free MCP calls every day.