MarketPulse

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "X-PAYMENT header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://marketpulse.theaslangroupllc.com/api/market/content-brief",
      "description": "Will this content actually rank — and get cited by AI Overviews, ChatGPT or Claude? A complete content brief dual-optimized for traditional search and AI-answer citation: target queries, section-by-section structure, E-E-A-T requirements, schema recommendations and a unique-data angle for a given topic, audience and goal. For SEO and content agents.",
      "maxAmountRequired": "150000",
      "maxTimeoutSeconds": 300
    }
  ],
  "x402Version": 1
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
    "amount": "150000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
    },
    "payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
    "amount": "150000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "goal": {
            "type": "string",
            "example": "rank and drive trial signups",
            "required": false,
            "description": "What the content should accomplish"
          },
          "lang": {
            "type": "string",
            "example": "en",
            "required": false,
            "description": "Language to respond in — defaults to English"
          },
          "topic": {
            "type": "string",
            "example": "best CRM for small business 2026",
            "required": true,
            "description": "The content topic or target query to brief"
          },
          "audience": {
            "type": "string",
            "example": "small business owners comparing CRM tools",
            "required": false,
            "description": "Who this content is written for — sharpens tone and structure"
          }
        }
      },
      "output": {
        "type": "json",
        "example": {
          "cta": "Compare pricing and start a free trial",
          "topic": "best CRM for small business 2026",
          "disclaimer": "Search and AI ranking signals evolve continuously. Audit performance 90 days after publication.",
          "amazon_search": "Everybody Writes by Ann Handley",
          "schema_to_add": [
            "FAQPage schema for the comparison questions",
            "Product schema for each CRM mentioned"
          ],
          "content_format": "Comparison guide with a decision table — matches how buyers actually evaluate CRM options",
          "target_queries": {
            "primary": "best CRM for small business",
            "secondary": [
              "cheapest CRM for small business",
              "CRM for solo founders",
              "easiest CRM to set up"
            ],
            "ai_answer_queries": [
              "What is the best CRM for a small business in 2026?",
              "Which CRM is easiest to set up with no IT team?"
            ]
          },
          "strategic_angle": "A hands-on comparison built around setup time and cost per seat, not just feature checklists",
          "content_structure": [
            {
              "purpose": "Give AI overviews and skimmers a direct, citable answer up front",
              "section": "Quick answer / who each CRM is best for",
              "must_include": [
                "A one-line recommendation per buyer type"
              ]
            }
          ],
          "word_count_target": "1,800-2,400 words",
          "unique_data_to_add": "A small survey or setup-time benchmark (e.g. actual hours to onboard 5 users) that no competitor page has published",
          "e_e_a_t_requirements": {
            "trust": "Visible last-updated date and a methodology note on how tools were evaluated",
            "authority": "Links to vendor pricing pages and independent review sites like G2 or Capterra",
            "expertise": "Author byline with relevant credentials or hands-on CRM implementation experience",
            "experience": "First-hand setup notes or screenshots from actually testing each tool"
          },
          "ai_visibility_tactics": [
            "Lead each section with a direct-answer sentence AI models can extract verbatim"
          ],
          "internal_link_opportunities": "Link to a CRM pricing calculator or migration guide if one exists on the site"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema"
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_gxy6qn5p"
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "a": {
          "type": "string",
          "pattern": "^[a-z0-9_]{1,32}$",
          "description": "App builder code"
        },
        "s": {
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^[a-z0-9_]{1,32}$"
          },
          "description": "Service builder codes"
        },
        "w": {
          "type": "string",
          "pattern": "^[a-z0-9_]{1,32}$",
          "description": "Wallet builder code"
        }
      },
      "additionalProperties": false
    }
  }
}

Provenance

Seen in the source catalog

2026-07-03 20:29Z

Last indexed by Roundhouse

2026-08-02 20:00Z

Last enriched (probe, favicon, geo)

2026-09-11 06:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402