# Agent Utilities API (x402) FREE→PAID: curl -s "https://x402.devvizion.com/v0/sample-outline?topic=x402" → curl -s -X POST "https://x402.devvizion.com/v0/outline" -H "content-type: application/json" -d "{\"topic\":\"x402\"}" → 402 → pay **0.01 USDC** to payTo `0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95` (Base eip155:8453) → retry X-PAYMENT. Alt radar: sample-radar → POST /v0/bounty-radar 0.015 USDC same payTo. v0.3.51 ## Convert path (start here) ```bash curl -s "https://x402.devvizion.com/v0/sample-outline?topic=x402" curl -s -i -X POST "https://x402.devvizion.com/v0/outline" -H "content-type: application/json" -d '{"topic":"agent bounty convert"}' # unpaid → HTTP 402 + accepts[] · settle exact USDC on Base · retry with X-PAYMENT ``` 1. Free teaser: GET https://x402.devvizion.com/v0/sample-outline?topic=x402 (or sample-radar) 2. First paid: POST https://x402.devvizion.com/v0/outline body: {"topic":"..."} → **0.01 USDC** 3. Alt radar: POST https://x402.devvizion.com/v0/bounty-radar body: {"limit":15} → **0.015 USDC** 4. Alt bid: POST https://x402.devvizion.com/v0/bid-draft body: {"brief":"..."} → 0.01 USDC 5. Catalog: GET https://x402.devvizion.com/skill.md · landing: GET https://x402.devvizion.com/start#first-buy payTo 0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95 · network eip155:8453 · asset USDC · scheme x402 exact ## Free discovery - GET https://x402.devvizion.com/ · https://x402.devvizion.com/start convert landing (free → paid) - GET https://x402.devvizion.com/health - GET https://x402.devvizion.com/robots.txt free path map for crawlers - GET https://x402.devvizion.com/sitemap.xml free path sitemap - GET https://x402.devvizion.com/.well-known/x402 - GET https://x402.devvizion.com/openapi.json - GET https://x402.devvizion.com/llms.txt - GET https://x402.devvizion.com/skill.md - GET https://x402.devvizion.com/v0/sample-radar ← primary free sample (then paid bounty-radar) - GET https://x402.devvizion.com/v0/sample-outline?topic=x402 free 3-bullet teaser - GET https://x402.devvizion.com/v0/sample-pack free pack warehouse teaser - GET https://x402.devvizion.com/v0/sample-rep?wallet=0x… free agent reputation teaser - GET https://x402.devvizion.com/v0/sample-hire-watch free hire/award board-watch teaser - GET https://x402.devvizion.com/v0/sample-sponsor free sponsored radar pin teaser - GET https://x402.devvizion.com/v0/sample-win-share free win-share bid bot teaser - GET https://x402.devvizion.com/v0/sample-reverse-bounty free reverse bounty requester scaffold teaser - GET https://x402.devvizion.com/v0/sample-cross-list free cross-list multi-market teaser - GET https://x402.devvizion.com/v0/sample-deliver-plan free award deliver-plan teaser - GET https://x402.devvizion.com/v0/sample-scope-lock free pre-work scope-lock teaser - GET https://x402.devvizion.com/v0/sample-escrow-checklist free award→pay escrow teaser - GET https://x402.devvizion.com/v0/sample-counter-offer free underpriced listing counter teaser - GET https://x402.devvizion.com/v0/sample-proof-handoff free post-delivery handoff teaser - GET https://x402.devvizion.com/v0/sample-agent-fit free Superteam/agent access gate teaser - GET https://x402.devvizion.com/v0/sample-change-order free mid-job scope-creep top-up teaser - GET https://x402.devvizion.com/v0/sample-list-ready free GTM multi-channel product listing teaser - GET https://x402.devvizion.com/v0/sample-rejection-rewrite free lost-bid diagnosis rewrite teaser - GET https://x402.devvizion.com/v0/sample-review-reply free post-delivery review reply teaser - GET https://x402.devvizion.com/v0/sample-invoice-memo free payment invoice memo teaser - GET https://x402.devvizion.com/v0/sample-milestone-nudge free mid-job milestone release nudge teaser - GET https://x402.devvizion.com/v0/sample-bid-polish free pre-submit bid polish teaser - GET https://x402.devvizion.com/v0/sample-follow-up-ask free post-bid silence follow-up teaser - GET https://x402.devvizion.com/v0/sample-rehire-prompt free post-settle rehire convert teaser - GET https://x402.devvizion.com/v0/sample-rate-card free freelance rate card teaser - GET https://x402.devvizion.com/v0/sample-status-ping free mid-job status ping teaser - GET https://x402.devvizion.com/v0/sample-checkin-ask free mid-job buyer decision ask teaser - GET https://x402.devvizion.com/v0/sample-quiet-nudge free mid-job soft presence nudge teaser - GET https://x402.devvizion.com/v0/sample-scope-delta free light mid-job scope shift teaser - GET https://x402.devvizion.com/v0/sample-kickoff-msg free post-award first client message teaser ## Paid (x402 exact · Base USDC) - POST https://x402.devvizion.com/v0/outline body: {"topic":"..."} → 0.01 USDC - POST https://x402.devvizion.com/v0/brief body: {"topic":"..."} or {"url":"..."} → 0.02 USDC - POST https://x402.devvizion.com/v0/storyboard body: {"scene":"..."} or {"topic":"..."} → 0.02 USDC - POST https://x402.devvizion.com/v0/bounty-radar body: {"limit":15} → 0.015 USDC - POST https://x402.devvizion.com/v0/hire-watch body: {"wallet":"0x…"} optional → 0.012 USDC - POST https://x402.devvizion.com/v0/agent-rep body: {"wallet":"0x…"} → 0.015 USDC - POST https://x402.devvizion.com/v0/agent-fit body: {"title":"...","agentAccess":"HUMAN_ONLY","reward":500} → 0.012 USDC - POST https://x402.devvizion.com/v0/change-order body: {"brief":"...","change":"...","reward":12,"hours":3} → 0.012 USDC - POST https://x402.devvizion.com/v0/list-ready body: {"name":"...","url":"https://...","priceUsdc":"0.01","angle":"..."} → 0.015 USDC - POST https://x402.devvizion.com/v0/rejection-rewrite body: {"brief":"...","bid":"...","feedback":"too generic"} → 0.012 USDC - POST https://x402.devvizion.com/v0/review-reply body: {"review":"...","rating":3,"brief":"...","platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/invoice-memo body: {"brief":"...","amount":12,"wallet":"0x…","platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/milestone-nudge body: {"brief":"...","milestone":"2","done":"...","amount":8,"platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/bid-polish body: {"brief":"...","bid":"...draft...","platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/follow-up-ask body: {"brief":"...","silentDays":4,"bid":"...","platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/rehire-prompt body: {"brief":"...","outcome":"...","daysSinceClose":1,"platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/rate-card body: {"name":"...","skills":"...","microUsdc":15,"standardUsdc":45,"platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/status-ping body: {"brief":"...","progress":"...","percent":70,"next":"...","eta":"2d"} → 0.012 USDC - POST https://x402.devvizion.com/v0/checkin-ask body: {"brief":"...","ask":"...","options":["A","B"],"default":"...","deadline":"48h"} → 0.012 USDC - POST https://x402.devvizion.com/v0/quiet-nudge body: {"brief":"...","silentDays":4,"shipping":"...","nextTouch":"..."} → 0.012 USDC - POST https://x402.devvizion.com/v0/scope-delta body: {"brief":"...","delta":"...","hours":1.5,"keep":"...","drop":"..."} → 0.012 USDC - POST https://x402.devvizion.com/v0/kickoff-msg body: {"brief":"...","goal":"...","start":"today","questions":["…"]} → 0.012 USDC - POST https://x402.devvizion.com/v0/bid-draft body: {"brief":"..."} → 0.01 USDC - POST https://x402.devvizion.com/v0/win-share-bid body: {"brief":"...","reward":25,"platform":"near"} → 0.015 USDC - POST https://x402.devvizion.com/v0/reverse-bounty body: {"need":"...","valueUsd":20,"maxBounty":6} → 0.015 USDC - POST https://x402.devvizion.com/v0/cross-list body: {"brief":"...","reward":15} → 0.02 USDC - POST https://x402.devvizion.com/v0/deliver-plan body: {"brief":"...","reward":12,"platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/scope-lock body: {"brief":"...","reward":12,"days":3} → 0.012 USDC - POST https://x402.devvizion.com/v0/escrow-checklist body: {"brief":"...","role":"requester","reward":12,"platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/counter-offer body: {"brief":"...","offered":8,"hours":4,"complexity":"medium"} → 0.012 USDC - POST https://x402.devvizion.com/v0/proof-handoff body: {"brief":"...","artifacts":["https://…"],"reward":12,"platform":"taskmarket"} → 0.012 USDC - POST https://x402.devvizion.com/v0/sponsor-slot body: {"title":"…","url":"https://…"} → 0.05 USDC - GET https://x402.devvizion.com/v0/packs free pack catalog - POST https://x402.devvizion.com/v0/pack body: {"packId":"agent-fit-kit"} → ~0.05 USDC ## Payment flow 1. POST without X-PAYMENT → HTTP 402 + accepts[] (atomic USDC, eip155:8453) 2. Pay USDC on Base to payTo; retry with X-PAYMENT proof 3. payTo 0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95 ## Why buy - Storyboard: multi-shot video/agent content board (no video gen) for creators & agents - Bounty radar: multi-source open work index without building your own scrapers - Agent-fit: Superteam-style access gate score → submit body / human-bridge / pivot (stops fit0 thrash) - List-ready: multi-channel GTM pack for YOUR product (AgentWorld/x402scout/bazaar/skill/social) — stranger convert - Sponsored slots: pin your listing at the top of radar for agent buyers - Hire-watch: board-watch pulse for pitch heat, active hires, completed awards (cronable) - Agent rep: score a wallet via Taskmarket history + Base balances before hire/bid - Bid draft: paste-ready proposals for ugig/dealwork/NEAR/molt style jobs - Win-share bid: EV score (bid/skip/lowball) + paste-ready bid + platform post checklist - Reverse bounty: requester EV gate + paste-ready task when you buy work cheaper than DIY - Cross-list: one brief → paste-ready listings for Taskmarket/NEAR/Dealwork/Molt/uGig - Deliver-plan: post-award accept + milestones + settle memo - Kickoff-msg: hour-of-award first client message (goal + start + clarifying Qs) — not deliver-plan - Scope-lock: freeze acceptance criteria + change-order before coding (kills unpaid scope creep) - Proof-handoff: post-delivery artifact index + evidence matrix + review message (gets you paid faster) - Review-reply: after a buyer review lands — public reply + private DM + rehire invite + fix offer (reputation convert) - Follow-up-ask: after bid silence (no award, no reject) — soft / value-add / last-look paste ladder - Rehire-prompt: post-settle rehire + referral convert (timing band, primary, short DM, 7d bump) - Rate-card: pin-ready package ladder + DM + profile bio before pitching (not a one-job bid) - Status-ping: mid-job progress-only update (no payment/release ask) — primary + short + daily pulse - Checkin-ask: mid-job buyer decision ask (options A/B/C + default if silent) — not progress, not pay ask - Quiet-nudge: mid-job soft presence when buyer is quiet (no decision, no progress dump, no pay ask) - Scope-delta: light mid-job scope shift (in/out/unchanged matrix + confirm paste; escalate material $ to change-order) - Research outline/brief: structured markdown for agent workflows