# Services from bounty-engineer-x402-prod.onrender.com on Zero

> bounty-engineer-x402-prod.onrender.com serves 88 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/bounty-engineer-x402-prod.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/bounty-engineer-x402-prod.onrender.com/health.json

## Services

- [Bounty Engineer Retry Policy Planner](https://www.zero.xyz/c/bounty-engineer-retry-policy-planner-750c8e2a/llms.txt): $0.002/call via x402. Given a failed API call's error context, computes a structured retry schedule with delays, decision (retry or abort), and safety caveats for autonomous agents.
- [Bounty Engineer PII Redaction Map](https://www.zero.xyz/c/bounty-engineer-pii-redaction-map-6d84078e/llms.txt): $0.003/call via x402. Scans input text for PII (emails, phones, IPs, payment card numbers), returns redacted text and a map of findings with type, position, and SHA-256 hash for each detected item.
- [Bounty Engineer Web Read Markdown](https://www.zero.xyz/c/bounty-engineer-web-read-markdown-4f797db8/llms.txt): $0.003/call via x402. Fetches a public webpage by URL and returns its content as clean Markdown, plain text, extracted links, and metadata.
- [Bounty Engineer JSON Contract Check](https://www.zero.xyz/c/bounty-engineer-json-contract-check-1855cc42/llms.txt): $0.005/call via x402. Validates a JSON value against a provided JSON Schema contract, returning typed errors with paths and codes without coercing or repairing the input.
- [Bounty Engineer Web Extract](https://www.zero.xyz/c/bounty-engineer-web-extract-eb2ecdd5/llms.txt): $0.001/call via x402. Fetches and extracts the full text, markdown, links, and metadata from any given URL for agent consumption
- [Bounty Engineer JSON Change Set](https://www.zero.xyz/c/bounty-engineer-json-change-set-12126ecb/llms.txt): $0.005/call via x402. Computes a structured diff between two JSON objects, returning a list of change operations (add, replace, remove) with path, before, and after values.
- [Bounty Engineer Funding Rates Snapshot API](https://www.zero.xyz/c/bounty-engineer-funding-rates-snapshot-api-aba6d595/llms.txt): $0.0075/call via x402. Fetches and compares perpetual futures funding rates for a given trading symbol across Binance and Bybit, returning a snapshot with per-provider rates and the spread between them.
- [Bounty Engineer Action Idempotency API](https://www.zero.xyz/c/bounty-engineer-action-idempotency-api-41e6b732/llms.txt): $0.002/call via x402. Manages idempotency for autonomous agent actions by reserving, checking status, committing, or releasing action slots to prevent duplicate execution
- [Bounty Engineer Text Chunker](https://www.zero.xyz/c/bounty-engineer-text-chunker-4f3c4d98/llms.txt): $0.001/call via x402. Splits a text string into overlapping fixed-size chunks with SHA-256 hashes and UTF-16 byte offsets for downstream processing by AI agents.
- [Result Consensus Gate](https://www.zero.xyz/c/result-consensus-gate-00e6fe52/llms.txt): $0.02/call via x402. Checks agreement across multiple agent-produced outputs and accepts or rejects the result based on a configurable minimum consensus ratio
- [Bounty Engineer Purchase Rescue](https://www.zero.xyz/c/bounty-engineer-purchase-rescue-f71028f7/llms.txt): $0.009/call via x402. Analyzes a history of failed purchase attempts and returns a safe, step-by-step rescue decision to guide an autonomous agent through recovering from an ambiguous or stuck payment flow without repeating irreversible transactions.
- [Bounty Engineer Record Deduplication API](https://www.zero.xyz/c/bounty-engineer-record-deduplication-api-b7680adc/llms.txt): $0.003/call via x402. Deduplicates an array of records by one or more key fields, returning only unique records and reporting which duplicates were found and kept based on a first/last strategy.
- [Bounty Engineer Capability Fit Matrix](https://www.zero.xyz/c/bounty-engineer-capability-fit-matrix-d0ae5e42/llms.txt): $0.015/call via x402. Given a list of agent/API candidates and a set of required capability labels, returns a match matrix showing which candidates satisfy which requirements, their coverage ratio, and price.
- [CSV to JSON Converter](https://www.zero.xyz/c/csv-to-json-converter-f5b17d61/llms.txt): $0.002/call via x402. Converts a CSV string into structured JSON records, returning headers, rows, and record count
- [Bounty Engineer Evidence Pack Verifier](https://www.zero.xyz/c/bounty-engineer-evidence-pack-verifier-8a5b297e/llms.txt): $0.02/call via x402. Verifies that specific quoted claims are present in caller-supplied source texts, returning per-claim verdicts with byte offsets, freshness info, and a tamper-evident pack hash.
- [Bounty Engineer Task Acceptance Gate](https://www.zero.xyz/c/bounty-engineer-task-acceptance-gate-b0d68663/llms.txt): $0.02/call via x402. Evaluates a task deliverable against a set of deterministic acceptance rules and returns a pass/fail decision with per-rule results and a content hash.
- [Bounty Engineer JSON-to-CSV Converter](https://www.zero.xyz/c/bounty-engineer-json-to-csv-converter-64c00f29/llms.txt): $0.002/call via x402. Converts a structured JSON array of records into a CSV-formatted string, with optional custom delimiter and field ordering, returning a SHA-256 digest for verification.
- [Bounty Engineer Cost Break-Even Calculator](https://www.zero.xyz/c/bounty-engineer-cost-break-even-calculator-54a92f04/llms.txt): $0.003/call via x402. Computes and ranks API providers by cost-per-expected-success to find the break-even optimal provider for a given call volume.
- [Bounty Engineer Provider Route Plan](https://www.zero.xyz/c/bounty-engineer-provider-route-plan-ecf25a5a/llms.txt): $0.01/call via x402. Scores and ranks a list of API provider candidates against a routing policy (balanced, lowest cost, highest reliability, or lowest latency) and returns the best-fit provider plus a fallback order.
- [Bounty Engineer Agent State Fabric](https://www.zero.xyz/c/bounty-engineer-agent-state-fabric-8097a9ca/llms.txt): $0.003/call via x402. Provides persistent key-value state storage for autonomous agents, supporting get/put/delete, atomic counters, compare-and-set, and distributed locking operations.
- [Bounty Engineer Delta Policy Gate](https://www.zero.xyz/c/bounty-engineer-delta-policy-gate-e849d254/llms.txt): $0.03/call via x402. Validates JSON state transitions against a configurable policy, detecting blocked-path changes, type changes, field count limits, and required-path changes between two JSON snapshots.
- [Bounty Engineer - GitHub Bounty Due Diligence](https://www.zero.xyz/c/bounty-engineer-github-bounty-due-diligence-b9f70224/llms.txt): $0.75/call via x402. Performs deep due diligence on a GitHub issue to evaluate its bounty readiness, scoring complexity, clarity, and viability for autonomous agent execution.
- [JSON Pointer Extract](https://www.zero.xyz/c/json-pointer-extract-06e71c92/llms.txt): $0.001/call via x402. Extracts one or more values from a JSON document by supplying RFC 6901 JSON Pointer paths
- [Bounty Engineer Mission Digital Twin Planner](https://www.zero.xyz/c/bounty-engineer-mission-digital-twin-planner-b537a83a/llms.txt): $39.9/call via x402. Simulates an agentic mission DAG to compute execution order, expected spend, failure costs, fragility hotspots, and success probability before committing real budget.
- [Bounty Engineer Agent Work Plan](https://www.zero.xyz/c/bounty-engineer-agent-work-plan-31a857f4/llms.txt): $0.003/call via x402. Generates a structured, phased work plan for an autonomous agent to safely and verifiably complete a bounded engineering task, including risk flags, stop conditions, and acceptance criteria validation.
- [Bounty Engineer Document Structure Scan](https://www.zero.xyz/c/bounty-engineer-document-structure-scan-85c5ccc3/llms.txt): $0.005/call via x402. Extracts structural elements from document text, including headings, dates, amounts, obligation markers, and character/line counts with offsets.
- [Bounty Engineer Agent Continuity API](https://www.zero.xyz/c/bounty-engineer-agent-continuity-api-de39286a/llms.txt): $0.01/call via x402. Provides distributed task-state management for autonomous agents: claim, save, restore, heartbeat, and release leased job checkpoints with spend controls.
- [Bounty Engineer Context Pack API](https://www.zero.xyz/c/bounty-engineer-context-pack-api-ec884a91/llms.txt): $0.01/call via x402. Extracts and scores the most relevant text excerpts from provided web sources based on a query, using deterministic lexical overlap for context window compression.
- [Bounty Engineer Tool Contract Bridge](https://www.zero.xyz/c/bounty-engineer-tool-contract-bridge-de53dbcd/llms.txt): $0.02/call via x402. Validates whether a set of candidate tool definitions are schema-compatible with a required JSON Schema contract, returning per-candidate compatibility reports and issue lists.
- [Bounty Engineer Agent Run Ledger](https://www.zero.xyz/c/bounty-engineer-agent-run-ledger-bbef39ff/llms.txt): $0.005/call via x402. Append, checkpoint, or read structured state events for an autonomous agent run, enabling durable in-progress state tracking across agent execution sessions.
- [Bounty Engineer Autonomous Mission Control](https://www.zero.xyz/c/bounty-engineer-autonomous-mission-control-a14f16c8/llms.txt): $79.9/call via x402. Plans and validates multi-agent task execution packages by routing tasks to agents, computing fragility hotspots, spend exposure, and success probability within budget and risk constraints.
- [Bounty Engineer Funding Rates Batch API](https://www.zero.xyz/c/bounty-engineer-funding-rates-batch-api-ebfe626c/llms.txt): $0.49/call via x402. Fetches current funding rates for up to 20 crypto symbols in a single batch from Binance and/or Bybit
- [Bounty Engineer URL Normalizer](https://www.zero.xyz/c/bounty-engineer-url-normalizer-e1f38307/llms.txt): $0.001/call via x402. Normalizes a URL by sorting query parameters, stripping tracking/noise params, and returning a canonical SHA-256-hashed form
- [Bounty Engineer Tender Match API](https://www.zero.xyz/c/bounty-engineer-tender-match-api-221da264/llms.txt): $0.25/call via x402. Searches EU/global public procurement tender notices matching specified CPV codes, keywords, countries, and capability descriptions
- [Bounty Engineer Agent Run Cost Audit](https://www.zero.xyz/c/bounty-engineer-agent-run-cost-audit-aa87fa77/llms.txt): $0.035/call via x402. Audits a batch of agent tool-call events to identify budget overages, duplicate charges, and expensive tools, then returns optimization recommendations.
- [Bounty Engineer Tender Search](https://www.zero.xyz/c/bounty-engineer-tender-search-a97300af/llms.txt): $0.1/call via x402. Searches public procurement tender notices (e.g. TED/EU) by CPV codes, keywords, countries, and capability description to surface relevant contract opportunities for autonomous agents.
- [JWT Decode & Inspect](https://www.zero.xyz/c/jwt-decode-inspect-e425faad/llms.txt): $0.001/call via x402. Decodes and inspects a JWT token, returning its header, payload, and signature presence/verification status.
- [Bounty Engineer Rate Limit Plan](https://www.zero.xyz/c/bounty-engineer-rate-limit-plan-1d28244b/llms.txt): $0.002/call via x402. Generates a scheduled batch plan for distributing a set number of API requests across time, respecting per-minute and per-hour rate limits.
- [Bounty Engineer Tool Output Quality Gate](https://www.zero.xyz/c/bounty-engineer-tool-output-quality-gate-27e8d16c/llms.txt): $0.01/call via x402. Validates tool output quality by checking schema conformance, data freshness, required field presence, and empty-value ratios before an agent acts on the result.
- [Bounty Engineer Delta Witness](https://www.zero.xyz/c/bounty-engineer-delta-witness-af8fd9a5/llms.txt): $0.003/call via x402. Compares two snapshots of a JSON resource and returns a structured diff (added, removed, replaced paths) along with SHA-256 hashes and change metadata.
- [Bounty Engineer Batch Budget Planner](https://www.zero.xyz/c/bounty-engineer-batch-budget-planner-996eaafd/llms.txt): $0.005/call via x402. Plans how to allocate a fixed USD budget across multiple API jobs by priority, determining which calls to fund, drop, or partially schedule.
- [Bounty Engineer Data Quality Gate](https://www.zero.xyz/c/bounty-engineer-data-quality-gate-31f48dd1/llms.txt): $0.02/call via x402. Validates an array of records against a schema, detecting structural issues and duplicate keys, and returns a pass/reject decision with per-record issue details.
- [Bounty Engineer Batch Web Intelligence](https://www.zero.xyz/c/bounty-engineer-batch-web-intelligence-a7b36482/llms.txt): $0.09/call via x402. Fetches and extracts content from up to 10 URLs in a single call, returning page titles, snippets, links, and SHA-256 content hashes with optional change-detection against previous hashes.
- [Bounty Engineer Independent PR Evidence Verifier](https://www.zero.xyz/c/bounty-engineer-independent-pr-evidence-verifier-70dc4125/llms.txt): $49.9/call via x402. Fetches and verifies independent evidence for a GitHub pull request, checking CI status, required file paths, and test changes before releasing bounty payment.
- [Bounty Engineer SLA Breach Radar](https://www.zero.xyz/c/bounty-engineer-sla-breach-radar-ca35c2b3/llms.txt): $0.01/call via x402. Evaluates a batch of tasks against their deadlines and statuses to classify each as healthy, due-soon, breached, or terminal, and returns aggregate counts.
- [Bounty Engineer Hash API](https://www.zero.xyz/c/bounty-engineer-hash-api-cff6f888/llms.txt): $0.001/call via x402. Hashes an input text string and returns its SHA-256, SHA-512, and Base64 encodings along with byte size
- [Bounty Engineer Agent Run Forensics](https://www.zero.xyz/c/bounty-engineer-agent-run-forensics-3d3a5fff/llms.txt): $29.9/call via x402. Analyzes a sequence of agent run events to detect failures, invalid state transitions, duplicate side effects, and produces a prioritized recovery plan.
- [Bounty Engineer Cache Key Plan](https://www.zero.xyz/c/bounty-engineer-cache-key-plan-13b4a32d/llms.txt): $0.001/call via x402. Computes a canonical, deterministic cache key (SHA-256) for an HTTP request by normalizing its URL, body, method, and headers, optionally dropping specified parameters.
- [Bounty Engineer Task State Transition Gate](https://www.zero.xyz/c/bounty-engineer-task-state-transition-gate-8e6b5054/llms.txt): $0.005/call via x402. Validates and enforces allowed state transitions for agent tasks, returning a decision (allow/deny) with the set of valid next states from a given current state.
- [Bounty Engineer Agent Commerce API – Webpage Audit](https://www.zero.xyz/c/bounty-engineer-agent-commerce-api-webpage-audit-687e644a/llms.txt): $0.01/call via x402. Audits a public webpage URL and returns a quality/compliance score with a list of issues found
- [Bounty Engineer Failure Cost Firewall](https://www.zero.xyz/c/bounty-engineer-failure-cost-firewall-b3e7cb65/llms.txt): $24.9/call via x402. Analyzes a caller-supplied dependency graph to compute blast radius, weighted exposure, and criticality scores, then decides whether to allow or block an operation based on failure-cost thresholds and node criticality limits.
- [Bounty Engineer Agent Execution Gate](https://www.zero.xyz/c/bounty-engineer-agent-execution-gate-4a7d63ea/llms.txt): $0.02/call via x402. Acts as a gating layer for autonomous agent tool calls, enforcing spend controls, idempotency, retry planning, and decision routing before an agent action executes.
- [Bounty Engineer Proof-Work Audit](https://www.zero.xyz/c/bounty-engineer-proof-work-audit-a095fb6b/llms.txt): $0.05/call via x402. Audits a submitted artifact (SVG, HTML, or JSON) against a policy to verify structural cor

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