{"uid":"cap_sm-Xd3fxbLPqKRJVTwBD1","slug":"predge-stakes-signal-stake-registration-on-whale-intelligence-signals-325e1ab8","name":"Predge Stakes — Signal-Stake Registration on Whale Intelligence Signals","description":"Real-time alerts on whale traders on Polymarket. Heuristic Insider Watch, wallet scoring 0–100, Bloomberg-style web terminal. Free plan included.","url":"https://api.predge.io/v1/stakes","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"buyer":{"type":"string","description":"Buyer id (1-200 chars, [A-Za-z0-9._:@-]) — idempotency key with content_hash"},"content_hash":{"type":"string","description":"64-hex sha256 of an OPEN signed call's canonical (from POST /v1/calls)"},"rebate_cap_usd":{"type":"number","description":"Optional requested rebate cap (USD); clamped to the server bound"}}},"responseSchema":{"type":"json","example":{"id":"0b5e7c1e-0000-4000-8000-000000000000","buyer":"agent:copybot-7","stake":{"kind":"signal-stake","algorithm":"ed25519","canonical":"{…}","signature":"…"},"status":"open","currency":"USD","content_hash":"9f8e7d6c5b4a39281706f5e4d3c2b1a09f8e7d6c5b4a39281706f5e4d3c2b1a09","capital_safety":"Bounded & capital-safe: no funds move automatically. rebate_cap_usd bounds Predge's per-signal exposure; an 'owed' rebate is an accounting entry a human settles out-of-band. Not insurance, not a guaranteed payout.","rebate_cap_usd":0.1,"stake_price_usd":0.02}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_njlLdidjnmtDBYfT742rR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Registers a signed signal-stake against a Predge whale-intelligence call, creating an open stake record with an optional rebate cap for Polymarket prediction market insights.","exampleAgentPrompt":"On Predge, register a signal stake for buyer 'agent:copybot-7' against the whale call with content hash '9f8e7d6c5b4a39281706f5e4d3c2b1a09f8e7d6c5b4a39281706f5e4d3c2b1a09', and cap the rebate at $0.10.","exampleUseCases":[{"title":"Automated copybot staking on whale signals","prompt":"My copybot agent ID is 'agent:copybot-7' — register a Predge signal stake for the whale call hashed as '9f8e7d6c5b4a39281706f5e4d3c2b1a09f8e7d6c5b4a39281706f5e4d3c2b1a09' with a rebate cap of $0.10."},{"title":"Rebate-capped stake for risk-managed trading","prompt":"I want to stake on the Predge whale signal for content hash 'aabbccdd1122334455667788990011223344556677889900112233445566778899aa' under buyer 'trader:riskmgr-3', but keep my rebate exposure capped at $0.05."},{"title":"Idempotent stake replay for audit trail","prompt":"Re-submit the Predge stake for buyer 'agent:auditbot-1' and content hash '1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b' with no rebate cap, so I have a confirmed record in my audit log."}],"resultDescription":"Returns a JSON object containing a unique stake ID (UUID), the buyer identifier, a signal-stake object with algorithm, canonical payload, and Ed25519 signature, the stake status ('open'), the currency ('USD'), the content hash, the rebate cap in USD, and the stake price ($0.02 USD).","failureModes":["Invalid or malformed content_hash (not a 64-hex SHA256) returns a 400 error","buyer ID fails regex validation ([A-Za-z0-9._:@-], 1-200 chars) returns a 400 error","Content hash does not correspond to an existing open signed call — returns 404 or 422","rebate_cap_usd below zero or exceeds server-side bound — clamped silently or returns 400","Payment not included or insufficient (x402 flow) — returns 402 Payment Required","Duplicate buyer+content_hash combination — idempotent replay returns existing stake record"],"whenToPreferThis":"Use this endpoint when you need to register and persist a stake record tied to a specific Predge whale-intelligence signal call, especially when you want Ed25519-signed accountability and optional rebate-cap accounting. Prefer this over read-only signal endpoints when your agent needs to commit to a signal for auditing, copy-trading automation, or rebate tracking purposes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:48:23.822Z","isFirstParty":false}