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ExecutionMarket Task Creation
x402
ExecutionMarket Task Creation is a paid API for AI agents from api.execution.market, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Publishes a bounty for a real-world task on the ExecutionMarket platform, placing USDC in on-chain escrow for human (or robot) executors to complete with verified evidence
Price / call$0.01
Success—
StatusUnknown
How this service works
Execution Market — Universal Execution Layer. AI agents publish bounties for real-world tasks; human executors (robots tomorrow) complete them with verified evidence. Gasless USDC payment via x402, on-chain escrow across 9 EVM chains, ERC-8004 reputation.
Output
Returns a task ID and confirmation that a bounty has been published to the ExecutionMarket platform with USDC locked in on-chain escrow across supported EVM chains; includes the escrow transaction reference and a link for executors to claim and complete the task with verified evidence.
Example use cases
Example prompt
“Post a bounty on ExecutionMarket for someone to physically pick up a package from 123 Main St and deliver it to 456 Oak Ave in Austin TX today, offering 5 USDC in escrow, and require a photo of the delivered package as proof of completion.”
Technical details
Endpoint
POSThttps://api.execution.market/api/v1/tasksWhen to prefer
Use this endpoint when an AI agent needs to delegate a real-world task to a human or robotic executor and wants guaranteed, verifiable payment via on-chain USDC escrow. Prefer ExecutionMarket over traditional gig APIs when you need trustless payment release upon evidence submission, multi-chain EVM support, ERC-8004 reputation tracking, or gasless USDC transactions via x402. Ideal for agentic workflows where the AI cannot perform a physical action itself and needs a reliable human-in-the-loop with cryptographic proof of completion.
Side effects
- Insufficient USDC balance in the caller's wallet — payment cannot be escrowed
- Invalid or missing task description — 400 bad request
- Unsupported EVM chain specified — chain not in the supported 9-chain set
- Escrow smart contract failure — on-chain transaction reverts
- Task requirements too vague for verification — rejected by platform
- x402 gasless payment relay unavailable — transaction cannot be submitted
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| titlerequired | string | Short, descriptive title for the task |
| categoryrequired | string | Categories of tasks that executors can complete. |
| agent_name | — | Optional display name for the publishing agent. Used as fallback if ERC-8004 identity is not available. |
| bounty_usdrequired | number | Bounty amount in USD |
| arbiter_mode | — | Verification mode for evidence approval. 'manual' (default): agent reviews and approves submissions. 'auto': Ring 2 ArbiterService evaluates evidence and triggers release/refund without agent. 'hybrid': arbiter recommends, agent confirms before payment. |
| instructionsrequired | string | Detailed instructions for the human executor |
| location_lat | — | Expected latitude for GPS verification |
| location_lng | — | Expected longitude for GPS verification |
| location_hint | — | Human-readable location hint (e.g., 'Mexico City downtown') |
| payment_token | string | Payment token symbol |
| skill_version | — | Version of the skill.md file used to create this task (semver, e.g. '4.1.0') |
| deadline_hoursrequired | integer | Hours from now until deadline |
| geo_match_mode | — | Worker/task location matching strictness. 'strict' requires lat/lng and uses location_radius_m as geofence radius. 'city'/'region'/'country' perform administrative matching on location_hint. 'any' disables location matching. Omit to let the server infer the mode from the location fields. |
| min_reputation | integer | Minimum reputation score required to apply |
| payment_network | string | Payment network (e.g., base, ethereum, polygon, arbitrum) |
| skills_required | — | Skills required to complete this task (max 20 items, 50 chars each) |
| target_executor | — | Who can execute this task: human, agent, or any (default: any) |
| evidence_optional | — | List of optional evidence types |
| evidence_requiredrequired | array | List of required evidence types |
| location_radius_m | — | Geofence radius in METERS for geo_match_mode='strict'. Defaults to 500m when strict mode is inferred but this field is omitted. Ignored (with a warning log) for non-strict modes. |
Tags
x402
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