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This page is historical. A feature, price, provider, route, or access method recorded here may have changed or been retired. For current use, start with Getting started, Start building, or API & agent coverage.

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September 7, 2026 — documentation correction

  • Reworked the app guides around Mission Control, the public demo, Coinbase Dashboard, connected-wallet Stocks, and earlier Safe access.
  • Added a dedicated Stocks guide covering public data, holder research, supported execution, holdings, and the experimental Lab.
  • Corrected account-authority, withdrawal, ACP-identity, analytics, account-provider, and browser-storage documentation.
  • This documentation release did not itself activate a trading feature or change pricing.

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August–September 2026

  • Added the unsigned execution constructors otto_prepare_swap, otto_prepare_bridge, otto_prepare_polymarket_order, otto_prepare_perp_order, otto_prepare_stock_buy, otto_prepare_yield_deposit, and otto_prepare_yield_withdraw to Otto Intel MCP. Each returned an address-bound plan for the caller to inspect and sign.
  • Added self-describing constructor output: ordered decoded steps, expiry, payload digest, preflight checks, and replay limits.
  • Retired the earlier /api/eal/arm and /api/eal/prepare account-preparation routes.
  • Expanded the x402 catalog with Form 4, Form 144, 13D/13G, 8-K, token-score, dividend, Polymarket-mover, Base-chain-status, and gas-oracle reads.
  • Added the tokenized-stocks dashboard across Robinhood Chain, Base, BNB Chain, and Solana, with a 50,000-$OTTO holder research tier. At this release, supported connected-wallet tickets used LI.FI; Solana was discovery and quote only.
  • Added an Otto X recipe menu and corresponding hosted-MCP discovery tool.

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July 2026 — v0.9.7

  • Combined swap and bridge into one mini-agent console and added Avalanche to the documented route set.
  • Added tokenized-equity discovery, a filing-based equity report card, and Robinhood Chain mover data.
  • Introduced the x402 Open Router discovery, automatic payment, and feedback paths.
  • Added the Agent Quickstart and one-block agent handoff.
  • Documented the ACP migration away from Butler to acp-cli and the ACP Web GUI.
  • Listed Otto X on OKX with USDG support and removed the Nansen enrichment dependency from Market Alpha.

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May 2026 — v0.9.6

  • Published a source-backed map of the ACP, x402, Otto X, and DApp access paths. Counts recorded in that release are historical; use API & agent coverage for the current catalog.
  • Added the Prediction Markets Agent to the documented four-agent swarm.
  • Added Hyperliquid perpetual and read-only yield resources to x402 discovery.

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February–March 2026 — v0.9.5

  • Added scheduled Telegram delivery of the Alpha & Intel Report for wallets meeting the 50,000-$OTTO holder threshold.
  • Recorded the February token transfers to the dead address in the $OTTO token history.
  • Reworked x402 pricing and service monitoring.

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December 2025–January 2026 — v0.9.3

  • Expanded x402 access across Market Alpha intelligence, including crypto news, social summaries, token data, sentiment, yield, and the Alpha & Intel Report.
  • Added token-security, funding-rate, DeFi, macro-data, and transaction-explainer endpoints.
  • Registered Otto agents for ERC-8004 reputation on Ethereum mainnet.

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October–November 2025 — v0.8.7 to v0.9.0

  • Launched the Trade Execution Agent on ACP for swaps, bridges, and Hyperliquid perpetuals.
  • Launched the x402 storefront, initially including AI video generation.
  • Published the codebase and added Farcaster/Base mini-app access.
  • Added per-second video pricing and the referral system.

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Earlier 2025 releases

Historical inclusion does not establish that a feature remains available. The current task guides define today’s paths and limits.