Digital asset context through one API

Query companies, hiring activity, fundraising announcements, mentions, statements, and sentiment from your application. Use a paid API key for authenticated endpoints, or try the public index below.

Start with Free MCP

20 REST endpoints · 35 registered MCP tools

Reference

Every endpoint, every tool, and what each one costs

35 MCP tools and 20 REST endpoints, with what each returns, the question it answers, and the credits a call spends.

Open the reference Explore digital asset data API use cases

For per-article scores, date-range history, and MCP setup, open the crypto sentiment API.

DEVELOPER PLAYGROUND

Try a request and inspect the response

The public index response was captured on 8 September 2026. Other responses use placeholder content and numbers to explain the schema. Copy a request to query the endpoint.

Endpoints

GET https://api.perception.to/index

Perception Index data feed

Read the public market sentiment index, its reporting window, and update time. Optional authenticated fields include divergence and historical context.

curl "https://api.perception.to/index"

Query Parameters Schema

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Field	Type	Required	Description
full	boolean	optional	Include divergence metrics and historical returns by sentiment regime (requires Bearer token authentication).
date	string (YYYY-MM-DD)	optional	Query historical index value for a specific UTC date.

PRICING

Choose API or MCP access

Perception at $249/mo includes 1,000 weighted credits each month. Intelligence at $499/mo includes 8,000. Both pools are shared across REST and all 33 metered research tools. Free access includes 5 free weighted credits per day. Registered metered access costs $0.05 per credit with a 20-credit daily paid limit. Taxonomy and usage checks are unmetered.

Registered metered

All 33 metered tools at $0.05 per credit

Use up to 20 paid weighted credits per day. Successful calls commit their calculated cost. Failed calls release the reservation.

Set up metered access

x402 full-text feed

$0.10 USDC per weighted credit

The x402 rail runs on Base mainnet and applies to accountless GET /feed access. The server quotes the weighted request cost before payment.

Read the endpoint reference

INTELLIGENCE

$499 / month

Team workspace · $399/mo billed annually

8,000 weighted credits per month

One monthly pool shared across REST, MCP, users, and named agent credentials
Includes all 33 metered research tools plus unmetered taxonomy discovery (Claude, Cursor, Jupyter)
Includes the full Perception dashboard: sentiment, trends and entity intelligence

View Intelligence pricing

Research on your market, every month: Perception Advisory.