# Delx X402 API

**Canonical:** https://apis.io/apis/delx-ai/delx-ai-x402-api/  
**Provider:** Delx — https://apis.io/providers/delx-ai/  
**Base URL:** https://api.delx.ai  
**Documentation:** https://ontology.delx.ai/docs

Delx X402 API is one of 10 APIs that [Delx](https://apis.io/providers/delx-ai/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include x402. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and pricing.

The x402 API from Delx — 987 operation(s) for x402.

## Operations (60 of 987)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/v1/x402/image` | Delx Commerce cheap image generation API for agents at $0.01 USDC. |
| POST | `/api/v1/x402/image-budget` | Delx Commerce budget image generation API for $0.005 USDC (FLUX Schnell entry… |
| POST | `/api/v1/x402/remove-background` | Remove an image background for $0.002 USDC. |
| POST | `/api/v1/x402/transcribe-audio` | Transcribe one clipped WAV to text for $0.02 USDC. |
| POST | `/api/v1/x402/caption-image` | Caption one still image for $0.005 USDC. |
| POST | `/api/v1/x402/colorize-photo` | Colorize one grayscale photo for $0.01 USDC. |
| POST | `/api/v1/x402/upscale-image-hq` | Quality-upscale one still to at most 4 MP for $0.01 USDC. |
| POST | `/api/v1/x402/replace-background` | Replace an image background with a studio or solid fill for $0.003 USDC. |
| POST | `/api/v1/x402/image-transform` | Image resize and conversion API for agents at $0.001 USDC. |
| POST | `/api/v1/x402/qr-code` | QR code generation API for agents at $0.001 USDC. |
| POST | `/api/v1/x402/speech-hd` | Generate high-fidelity expressive speech for $0.08 USDC. |
| POST | `/api/v1/x402/narrated-post` | Create one narrated still-image MP4 for $0.02 USDC: a bounded FLUX Schnell… |
| POST | `/api/v1/x402/image-prompt-lint` | Lint a text-to-image prompt for length and basic policy tokens before paying. |
| POST | `/api/v1/x402/image-result-contract-check` | Validate caller-supplied image delivery metadata before accepting an agent… |
| POST | `/api/v1/x402/rank-multilingual-texts` | Multilingual RAG reranking API for agents: rank 2-16 passages, tools, routes… |
| POST | `/api/v1/x402/await` | Durable outcome promise for agents: pay $0.01 USDC once, wait for a time or… |
| POST | `/api/v1/x402/seeded-random-sample` | Select a reproducible sample without replacement from a bounded caller-supplied… |
| POST | `/api/v1/x402/demand/rfqs` | Post a task with a USDC budget and let live x402 services compete for it. |
| POST | `/api/v1/x402/demand/feed` | Look up open buyer RFQs for $0.003 USDC. |
| POST | `/api/v1/x402/page-extract` | Extract clean title, host, and bounded main text from one public URL for $0.01… |
| POST | `/api/v1/x402/open-graph` | Open Graph metadata API for agents: extract Open Graph and Twitter card fields… |
| POST | `/api/v1/x402/links-extract` | Map internal and external links on a page for crawling, routing, and site… |
| POST | `/api/v1/x402/sitemap-probe` | Check sitemap and robots hints fast to see how a site exposes crawlable… |
| POST | `/api/v1/x402/robots-inspect` | Robots.txt inspection API for agents at $0.01 USDC. |
| POST | `/api/v1/x402/dns-lookup` | Delx Commerce DNS lookup API for agents at $0.01 USDC. |
| POST | `/api/v1/x402/email-validate` | Email validation API for agents at $0.01 USDC. |
| POST | `/api/v1/x402/jwt-inspect` | Decode JWT claims quickly for auth debugging, routing, and token inspection for… |
| POST | `/api/v1/x402/csv-to-json` | CSV to JSON conversion API for agents: convert a bounded CSV payload into JSON… |
| POST | `/api/v1/x402/json-to-csv` | Convert structured JSON rows into CSV for exports, spreadsheets, and handoff… |
| POST | `/api/v1/x402/tls-inspect` | TLS certificate inspection API for agents: inspect issuer, subject, SANs, and… |
| POST | `/api/v1/x402/security-txt-inspect` | Find security.txt contacts, disclosure policy, and trust links for a domain for… |
| POST | `/api/v1/x402/http-headers-inspect` | HTTP headers inspection API for agents at $0.01 USDC. |
| POST | `/api/v1/x402/feed-discover` | Find RSS, Atom, and JSON feeds so agents can subscribe instead of scrape for… |
| POST | `/api/v1/x402/forms-extract` | Extract forms, methods, actions, and fields for browser automation and workflow… |
| POST | `/api/v1/x402/contact-extract` | Extract emails, phones, and social links from a page for outreach, routing, and… |
| POST | `/api/v1/x402/rdap-lookup` | Fetch registrar, status, and registration dates for trust, compliance, and… |
| POST | `/api/v1/x402/api-health-report` | Check endpoint status, latency, redirects, content type, and JSON validity for… |
| POST | `/api/v1/x402/server-probe` | Probe an x402 server end-to-end: discovery, status, tools, reliability, and… |
| POST | `/api/v1/x402/resource-summary` | Read any server's x402 resources, payment networks, and canonical paths for… |
| POST | `/api/v1/x402/website-intelligence-report` | One-call website intelligence report and website content extraction API for… |
| POST | `/api/v1/x402/domain-trust-report` | One-call domain trust report and security audit with TLS, headers… |
| POST | `/api/v1/x402/openapi-summary` | Turn an OpenAPI document into title, version, path counts, tags, and auth hints… |
| POST | `/api/v1/x402/server-audit` | Audit an x402 server for listing readiness, discovery quality, pricing surface… |
| POST | `/api/v1/x402/mcp-server-readiness` | MCP server readiness API for agents: audit tools/list, schemas, manifests… |
| POST | `/api/v1/x402/docs-site-map` | Map a docs surface with docs links, sitemap signals, robots rules, and feed… |
| POST | `/api/v1/x402/pricing-page-extract` | Extract pricing signals like plans, trials, sales CTAs, and conversion routes… |
| POST | `/api/v1/x402/company-contact-pack` | Build a company contact pack from page contacts, forms, socials, registrar, and… |
| POST | `/api/v1/x402/api-integration-readiness` | Score how ready an API is for agent integration using health, OpenAPI, auth… |
| POST | `/api/v1/x402/login-surface-report` | Inspect login and auth surface signals such as forms, reset flows, signup… |
| POST | `/api/v1/x402/content-distribution-report` | Summarize how a site distributes content across Open Graph, feeds, socials, and… |
| POST | `/api/v1/x402/loyalty-reward-quote` | Calculate loyalty points, reward value, effective rebate, and a ledger-ready… |
| POST | `/api/v1/x402/json-validate` | JSON validation API for agents: validate, normalize, and pretty-print a bounded… |
| POST | `/api/v1/x402/token-estimate` | Estimate GPT- and Claude-style token counts for a text payload for $0.001 USDC… |
| POST | `/api/v1/x402/uuid` | UUID generator API for agents: generate one to ten UUIDv4 identifiers for… |
| POST | `/api/v1/x402/timestamp` | Convert Unix, ISO 8601, and human timestamps for $0.001 USDC with one… |
| POST | `/api/v1/x402/base64` | Encode or decode Base64 safely for $0.001 USDC; bounded, deterministic, and… |
| POST | `/api/v1/x402/url-health` | Inspect URL reachability, status, latency, and key headers for $0.001 USDC. |
| POST | `/api/v1/x402/hash` | SHA-256 hash API for agents: hash text with SHA-256, SHA-1, or MD5 for $0.001… |
| POST | `/api/v1/x402/regex` | Test a regular expression and return matches, groups, and counts for $0.001… |
| POST | `/api/v1/x402/cron` | Validate and describe a five-field cron schedule for $0.001 USDC, including the… |

…and 927 more operations. The page lists the first 250; the full set of 987 is in the OpenAPI linked below.

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/delx-ai/refs/heads/main/openapi/delx-ai-x402-api-openapi.yml
- **Documentation** — https://ontology.delx.ai/docs
- **APIReference** — https://ontology.delx.ai/docs/discovery
- **Documentation** — https://commerce.delx.ai/
- **Pricing** — https://commerce.delx.ai/products

## Other Delx APIs (9)

- [Delx Protocol MCP Server](https://apis.io/apis/delx-ai/delx-protocol-mcp-server/)
- [Delx Agent Operations Protocol (A2A)](https://apis.io/apis/delx-ai/delx-protocol-a2a-agent/)
- [Delx A2a API](https://apis.io/apis/delx-ai/delx-ai-a2a-api/)
- [Delx Agents API](https://apis.io/apis/delx-ai/delx-ai-agents-api/)
- [Delx Discovery API](https://apis.io/apis/delx-ai/delx-ai-discovery-api/)
- [Delx MCP API](https://apis.io/apis/delx-ai/delx-ai-mcp-api/)
- [Delx Protocol API](https://apis.io/apis/delx-ai/delx-ai-protocol-api/)
- [Delx Reliability API](https://apis.io/apis/delx-ai/delx-ai-reliability-api/)
- [Delx Tools API](https://apis.io/apis/delx-ai/delx-ai-tools-api/)

## Tags

x402

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/delx-ai/delx-ai-x402-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/delx-ai/.