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Oblique Markets Research Answer
x402
Oblique Markets Research Answer is a paid API for AI agents from api.oblique.markets, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Answers a single natural-language research question by performing a pay-per-call web search, synthesizing cited results, and returning a machine-readable payment receipt.
Price / call$0.01
Success—
StatusUnknown
How this service works
Use when an agent needs a concise, cited answer to one research question with optional domain scope and freshness, from one bounded pay-per-call web search. Returns the answer synthesized only from the retrieved sources, source URLs and labels with retrieval timestamps, an explicit insufficient-evidence refusal when the sources do not support an answer, and a machine-readable receipt of the upstream cost and settlement.
Output
A JSON object containing: a synthesized text answer (or an explicit refusal if sources are insufficient), an array of cited sources with URLs, labels, relevance scores, snippet text, and retrieval timestamps, the scoping parameters used, a synthesis model attribution, an uncertainty note, and a machine-readable payment receipt showing the upstream provider, cost in USDC and atomic units, payer/payee addresses, settlement transaction hash, and daily budget status.
Example use cases
Protocol deep-dive for an AI agent
“Look up and summarize what the x402 payment protocol is, who maintains it, and when it was released — I want cited sources from the past year so I can verify them.”
Competitive landscape snapshot
“Find me a cited answer to 'Who are the main competitors to Anthropic in the large language model space as of this year?' — pull from recent sources and give me the URLs so I can read further.”
Regulatory compliance quick check
“Search for the current EU AI Act compliance deadlines for high-risk AI systems and give me a synthesized answer with source links, only from sources published in the last month.”
Technical details
Endpoint
POSThttps://api.oblique.markets/api/v1/paid/research-answerWhen to prefer
Choose this endpoint when an agent needs a single, cited, synthesized answer to a bounded research question with controllable domain scope and freshness, and when a machine-readable payment receipt is required for cost accounting. Prefer it over generic LLM completions when live web retrieval and source citations are necessary, and over full web-crawling pipelines when only one focused question needs answering at $0.01 per call without API key management.
Side effects
- Insufficient evidence: sources retrieved do not support a confident answer — returns status 'refused' with reason explaining the gap
- Domain scope too narrow: include_domains filter yields no usable results
- Freshness constraint too tight: no sources match the requested recency window
- Upstream x402 payment failure: settlement transaction reverts or times out
- Question too ambiguous: synthesis model cannot determine a bounded answer from retrieved content
- Rate limit or daily cap exceeded: budget fields indicate spent_today_atomic >= daily_cap_atomic
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| scope | object | |
| question | string | |
| freshness | string | |
| max_sources | integer |
Output
Schema · Response
{
"type": "json",
"example": {
"cited": [
1
],
"scope": {
"freshness": "year",
"exclude_domains": [],
"include_domains": []
},
"answer": "x402 is an open HTTP payment protocol t…",
"reason": null,
"status": "answered",
"receipt": {
"budget": {
"daily_cap_atomic": 500000,
"spent_today_atomic": 20000,
"per_request_cap_atomic": 10000
},
"upstream": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02…",
"payer": "0xC335983E964248052BAd764D6eb0801475Ec6…",
"pay_to": "0xd92fab07e57dfafe9bb9dbbb3ce01651a61dc…",
"scheme": "exact",
"network": "eip155:8453",
"cost_usd": 0.01,
"provider": "pay-per-call x402 web search",
"resource": "https://x402.tavily.com/search",
"settlement": {
"payer": "0xC335983E964248052BAd764D6eb0801475Ec6…",
"network": "eip155:8453",
"success": true,
"transaction": "0xabc…"
},
"cost_atomic": 10000,
"requested_at": "2026-09-06T20:00:00.000Z",
"responded_at": "2026-09-06T20:00:01.000Z",
"results_returned": 2,
"upstream_response_time_ms": 1.41
},
"door_price": "$0.01"
},
"sources": [
{
"id": 1,
"url": "https://x402.org/",
"label": "x402 — Payment Required",
"snippet": "x402 is an open payment protocol that r…",
"relevance": 0.92,
"published_at": "2025-05-06",
"retrieved_at": "2026-09-06T20:00:01.000Z"
}
],
"question": "What is the x402 payment protocol and w…",
"synthesis": {
"model": "inclusionai/ling-3.0-flash",
"prompt_tokens": 812,
"completion_tokens": 96
},
"uncertainty": "Source 2 is a vendor page; governance b…",
"generated_at": "2026-09-06T20:00:02.000Z"
}
}Tags
x402
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