# gpt55-token-gateway Utility Tools API

**Canonical:** https://apis.io/apis/558686-xyz/558686-xyz-utility-tools-api/  
**Provider:** gpt55-token-gateway — https://apis.io/providers/558686-xyz/  
**Base URL:** https://gpt55.558686.xyz  
**Documentation:** https://gpt55.558686.xyz/x402/service

gpt55-token-gateway Utility Tools API is one of 13 APIs that [gpt55-token-gateway](https://apis.io/providers/558686-xyz/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include utility-tools. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, pricing, and rate-limit docs.

Deterministic text, JSON, encoding, hashing, URL parsing, and developer utilities.

## Operations (44)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/tools/text-stats` | Count words, lines, bytes, and reading time via query parameters |
| POST | `/v1/tools/text-stats` | Count words, lines, bytes, and reading time |
| GET | `/v1/tools/hash-text` | Hash text with SHA or MD algorithms via query parameters |
| POST | `/v1/tools/hash-text` | Hash text with SHA or MD algorithms |
| GET | `/v1/tools/base64-codec` | Encode or decode Base64 via query parameters |
| POST | `/v1/tools/base64-codec` | Encode or decode Base64 |
| GET | `/v1/tools/url-parse` | Parse URL components via query parameters |
| POST | `/v1/tools/url-parse` | Parse URL components |
| GET | `/v1/tools/timestamp` | Convert timestamps and ISO dates via query parameters |
| POST | `/v1/tools/timestamp` | Convert timestamps and ISO dates |
| GET | `/v1/tools/jwt-decode` | Decode JWT header and payload via query parameters |
| POST | `/v1/tools/jwt-decode` | Decode JWT header and payload |
| GET | `/v1/tools/slugify` | Create URL slugs via query parameters |
| POST | `/v1/tools/slugify` | Create URL slugs |
| GET | `/v1/tools/case-convert` | Convert text casing via query parameters |
| POST | `/v1/tools/case-convert` | Convert text casing |
| GET | `/v1/tools/regex-match` | Run bounded regex matching via query parameters |
| POST | `/v1/tools/regex-match` | Run bounded regex matching |
| GET | `/v1/tools/html-strip` | Strip HTML to clean text via query parameters |
| POST | `/v1/tools/html-strip` | Strip HTML to clean text |
| GET | `/v1/tools/query-parse` | Parse URL query strings via query parameters |
| POST | `/v1/tools/query-parse` | Parse URL query strings |
| GET | `/v1/tools/unique-lines` | Deduplicate lines via query parameters |
| POST | `/v1/tools/unique-lines` | Deduplicate lines |
| GET | `/v1/tools/sort-lines` | Sort lines via query parameters |
| POST | `/v1/tools/sort-lines` | Sort lines |
| GET | `/v1/tools/diff-lines` | Compare line sets via query parameters |
| POST | `/v1/tools/diff-lines` | Compare line sets |
| GET | `/v1/tools/json-minify` | Minify JSON via query parameters |
| POST | `/v1/tools/json-minify` | Minify JSON |
| GET | `/v1/tools/uri-codec` | Encode or decode URI text via query parameters |
| POST | `/v1/tools/uri-codec` | Encode or decode URI text |
| GET | `/v1/tools/html-entity-codec` | Escape or unescape HTML entities via query parameters |
| POST | `/v1/tools/html-entity-codec` | Escape or unescape HTML entities |
| GET | `/v1/tools/email-normalize` | Normalize and validate email shape via query parameters |
| POST | `/v1/tools/email-normalize` | Normalize and validate email shape |
| GET | `/v1/tools/domain-extract` | Extract host and naive domain parts via query parameters |
| POST | `/v1/tools/domain-extract` | Extract host and naive domain parts |
| GET | `/v1/tools/color-convert` | Convert hex colors to RGB and HSL via query parameters |
| POST | `/v1/tools/color-convert` | Convert hex colors to RGB and HSL |
| GET | `/v1/tools/uuid` | Generate UUID v4 values via query parameters |
| POST | `/v1/tools/uuid` | Generate UUID v4 values |
| GET | `/v1/tools/json-keys` | List JSON key paths via query parameters |
| POST | `/v1/tools/json-keys` | List JSON key paths |

## Machine-readable artifacts (23)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/openapi/558686-xyz-utility-tools-api-openapi.yml
- **Documentation** — https://gpt55.558686.xyz/x402/guides/ai-agent-x402-api
- **APIReference** — https://gpt55.558686.xyz/buyer-guide
- **GettingStarted** — https://gpt55.558686.xyz/x402/guides/ai-agent-x402-api
- **Pricing** — https://gpt55.558686.xyz/pricing.json
- **Postman** — https://gpt55.558686.xyz/postman/collection.json
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/postman/558686-xyz-gpt55-postman-collection.json
- **X402** — https://gpt55.558686.xyz/.well-known/x402
- **Examples** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/examples/558686-xyz-standard-chat-example.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/examples/558686-xyz-translate-canary-example.json
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/rate-limits/558686-xyz-rate-limits.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/errors/558686-xyz-problem-types.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/conventions/558686-xyz-conventions.yml
- **Documentation** — https://gpt55.558686.xyz/api-market
- **Documentation** — https://sub2api.558686.xyz/docs/
- **GettingStarted** — https://sub2api.558686.xyz/docs/getting-started.html
- **Pricing** — https://sub2api.558686.xyz/pricing
- **Login** — https://sub2api.558686.xyz/login
- **APIsJson** — https://sub2api.558686.xyz/apis.json
- **LLMsTxt** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/llms/558686-xyz-sub2api-llms.txt
- **Postman** — https://sub2api.558686.xyz/postman/sub2api.postman_collection.json
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/postman/558686-xyz-sub2api-postman-collection.json
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/authentication/558686-xyz-authentication.yml

## Other gpt55-token-gateway APIs (12)

- [GPT55 x402 Gateway MCP Server](https://apis.io/apis/558686-xyz/gpt55-mcp-server/)
- [GPT55 Model Gateway A2A Agent](https://apis.io/apis/558686-xyz/gpt55-a2a-agent/)
- [gpt55-token-gateway Base Usdc API](https://apis.io/apis/558686-xyz/558686-xyz-base-usdc-api/)
- [gpt55-token-gateway Gpt55 Model Gateway API](https://apis.io/apis/558686-xyz/558686-xyz-gpt55-model-gateway-api/)
- [gpt55-token-gateway Gpt55 Retained High Intent API](https://apis.io/apis/558686-xyz/558686-xyz-gpt55-retained-high-intent-api/)
- [gpt55-token-gateway Gpt55 Retained Nonmodel API](https://apis.io/apis/558686-xyz/558686-xyz-gpt55-retained-nonmodel-api/)
- [gpt55-token-gateway Models API](https://apis.io/apis/558686-xyz/558686-xyz-models-api/)
- [gpt55-token-gateway Responses API](https://apis.io/apis/558686-xyz/558686-xyz-responses-api/)
- [gpt55-token-gateway Wallet Security API](https://apis.io/apis/558686-xyz/558686-xyz-wallet-security-api/)
- [gpt55-token-gateway Wallet Signing Safety Pack API](https://apis.io/apis/558686-xyz/558686-xyz-wallet-signing-safety-pack-api/)
- [gpt55-token-gateway X402 API](https://apis.io/apis/558686-xyz/558686-xyz-x402-api/)
- [gpt55-token-gateway Chat Completions API](https://apis.io/apis/558686-xyz/558686-xyz-chat-completions-api/)

## Tags

utility-tools

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/558686-xyz/558686-xyz-utility-tools-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/558686-xyz/.