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BeliefState Get Belief
x402
BeliefState Get Belief is a paid API for AI agents from beliefstate.ai, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Retrieves a specific analyst research belief (thesis, evidence, or outcome) by ID from the BeliefState platform, with optional pagination through supporting passages.
Price / call$0.02
Success—
StatusUnknown
How this service works
The first AI-powered platform for top analyst research. Get theses from top analysts, dated evidence, and available outcomes for your AI.
Output
Returns a JSON envelope containing schema_version, generated_at timestamp, and as_of timestamp, along with the full analyst belief content including thesis text, dated evidence passages, and available outcome data for the requested belief_id. Supports paginated access to supporting paragraphs and sub-passages via index fields.
Example use cases
Fetching analyst thesis for stock decision
“Get me the analyst belief for ID 'ms-nvda-bullcase-q3' from BeliefState — I want the full thesis and the first paragraph of supporting evidence as of January 1st, 2025.”
Paginating through analyst research evidence
“I already have belief ID 'gs-tsla-bearcase-2024' from BeliefState — can you fetch the second paragraph, third supporting passage within it, so I can read more of the analyst's evidence?”
Historical analyst research lookup
“Retrieve the BeliefState analyst belief 'jpm-meta-initiation-2023' as of December 31st, 2023, so I can see what the top analyst was saying about Meta at that point in time.”
Technical details
Endpoint
POSThttps://beliefstate.ai/v1/research/get_belief?utm_source=zero.xyzWhen to prefer
Use this endpoint when you already have a specific belief_id from BeliefState and need to retrieve the full analyst thesis, evidence passages, or outcome data associated with it. Ideal for AI trading agents that need to hydrate a known belief reference into full research content, or when paginating through multi-paragraph analyst reports. Prefer this over search-style endpoints when the belief identifier is already known.
Side effects
- Invalid or unknown belief_id returns an error or empty result
- as_of date outside available data range may return no content
- paragraph_index or support_index out of bounds returns an error
- Malformed date-time format for as_of field causes validation failure
- Payment not included or insufficient USDC causes 402 Payment Required
- Rate limiting or quota exceeded returns an error response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Output
Schema · Response
{
"type": "json",
"example": {
"as_of": "2026-10-24T00:00:00.000Z",
"generated_at": "2026-10-24T00:00:00.000Z",
"schema_version": "1"
}
}Tags
x402
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