Text Chunker for RAG

Split long text into retrieval-ready chunks along natural boundaries — paragraphs, sentences, or markdown sections — with configurable size, overlap, character offsets and approximate token counts per chunk. Deterministic and language-agnostic. Built for RAG ingestion and embedding pipelines. POST a JSON body like: {"text":"Long document...","strategy":"paragraphs","maxChars":2000,"overlap":200}

SearchLiveeip155:8453Exactvia cdp
RagChunkingEmbeddingsText-splittingTokens
Settlements · 30d
56↓ 38%
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$2.52
Verified settled volume
915 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0020
Listed price
As published in the catalog. Always read the live 402 before paying.
6
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-07-16 08:36Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xB86F95EF5FA904318Ea9Df3b59AdCe099b478fC4

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

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

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xB86F95EF5FA904318Ea9Df3b59AdCe099b478fC4",
      "amount": "2000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 60
    }
  ],
  "resource": {
    "url": "https://keyronne.com/api/chunk-text",
    "tags": [
      "rag",
      "chunking",
      "embeddings",
      "text-splitting",
      "tokens"
    ],
    "mimeType": "application/json",
    "description": "Split long text into retrieval-ready chunks along natural boundaries — paragraphs, sentences, or markdown sections — with configurable size, overlap, character offsets and approximate token counts per chunk. Deterministic and language-agnostic. Built for RAG ingestion and embedding pipelines. POST a JSON body like: {\"text\":\"Long document...\",\"strategy\":\"paragraphs\",\"maxChars\":2000,\"overlap\":200}",
    "serviceName": "Text Chunker for RAG"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "text": "Long document...",
            "overlap": 200,
            "maxChars": 2000,
            "strategy": "paragraphs"
          },
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        },
        "output": {
          "type": "json",
          "example": {
            "count": 2,
            "chunks": [
              {
                "end": 1980,
                "text": "...",
                "chars": 1980,
                "index": 0,
                "start": 0,
                "approxTokens": 450
              }
            ],
            "totalChars": 3500,
            "totalApproxTokens": 800
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "properties": {
              "body": {
                "type": "object",
                "required": [
                  "text"
                ],
                "properties": {
                  "text": {
                    "type": "string",
                    "description": "The text to chunk (up to ~900k characters)."
                  },
                  "overlap": {
                    "type": "integer",
                    "default": 200,
                    "minimum": 0,
                    "description": "Characters of trailing context carried into the next chunk."
                  },
                  "maxChars": {
                    "type": "integer",
                    "default": 2000,
                    "maximum": 50000,
                    "minimum": 100
                  },
                  "strategy": {
                    "enum": [
                      "paragraphs",
                      "sentences",
                      "markdown",
                      "chars"
                    ],
                    "type": "string",
                    "default": "paragraphs"
                  }
                }
              },
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "bodyType": {
                "enum": [
                  "json"
                ],
                "type": "string"
              }
            }
          },
          "output": {
            "type": "object",
            "properties": {
              "count": {
                "type": "integer"
              },
              "chunks": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "end": {
                      "type": "integer"
                    },
                    "text": {
                      "type": "string"
                    },
                    "chars": {
                      "type": "integer"
                    },
                    "index": {
                      "type": "integer"
                    },
                    "start": {
                      "type": "integer"
                    },
                    "approxTokens": {
                      "type": "integer"
                    }
                  }
                }
              },
              "truncated": {
                "type": "boolean",
                "description": "True if the 2000-chunk cap was hit."
              },
              "totalChars": {
                "type": "integer"
              },
              "totalApproxTokens": {
                "type": "integer"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Accepts

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

0.002USDC≈ $0.002 USD
on Base · exact scheme

Pay 0.002 USDC on Base to 0xB86F…78fC4. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
2000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xB86F95EF5FA904318Ea9Df3b59AdCe099b478fC4",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "text": "Long document...",
          "overlap": 200,
          "maxChars": 2000,
          "strategy": "paragraphs"
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "count": 2,
          "chunks": [
            {
              "end": 1980,
              "text": "...",
              "chars": 1980,
              "index": 0,
              "start": 0,
              "approxTokens": 450
            }
          ],
          "totalChars": 3500,
          "totalApproxTokens": 800
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "properties": {
            "body": {
              "type": "object",
              "required": [
                "text"
              ],
              "properties": {
                "text": {
                  "type": "string",
                  "description": "The text to chunk (up to ~900k characters)."
                },
                "overlap": {
                  "type": "integer",
                  "default": 200,
                  "minimum": 0,
                  "description": "Characters of trailing context carried into the next chunk."
                },
                "maxChars": {
                  "type": "integer",
                  "default": 2000,
                  "maximum": 50000,
                  "minimum": 100
                },
                "strategy": {
                  "enum": [
                    "paragraphs",
                    "sentences",
                    "markdown",
                    "chars"
                  ],
                  "type": "string",
                  "default": "paragraphs"
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json"
              ],
              "type": "string"
            }
          }
        },
        "output": {
          "type": "object",
          "properties": {
            "count": {
              "type": "integer"
            },
            "chunks": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "end": {
                    "type": "integer"
                  },
                  "text": {
                    "type": "string"
                  },
                  "chars": {
                    "type": "integer"
                  },
                  "index": {
                    "type": "integer"
                  },
                  "start": {
                    "type": "integer"
                  },
                  "approxTokens": {
                    "type": "integer"
                  }
                }
              }
            },
            "truncated": {
              "type": "boolean",
              "description": "True if the 2000-chunk cap was hit."
            },
            "totalChars": {
              "type": "integer"
            },
            "totalApproxTokens": {
              "type": "integer"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-07-16 08:36Z
Last indexed by Roundhouse
2026-08-10 08:20Z
Last enriched (probe, favicon, geo)
2026-09-14 00:15Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service Text Chunker for RAG and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=Text%20Chunker%20for%20RAG'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://keyronne.com/api/chunk-text, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.