# SNMPv1 (RFC 1157)

**Canonical:** https://apis.io/apis/snmp/snmpv1/  
**Provider:** SNMP — https://apis.io/providers/snmp/  
**Documentation:** https://datatracker.ietf.org/doc/html/rfc1157

SNMPv1 (RFC 1157) is one of 5 APIs that [SNMP](https://apis.io/providers/snmp/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include SNMPv1, Community Strings, PDU, and Historic. The published artifact set on APIs.io includes API documentation.

The original Simple Network Management Protocol defined in RFC 1157 (May 1990). Establishes the five core PDUs (GetRequest, GetNextRequest, GetResponse, SetRequest, Trap), community-string authentication, ASN.1 message encoding, and UDP transport on ports 161 and 162. Now classified as Historic by the IETF but still widely deployed on legacy equipment.

## Machine-readable artifacts (3)

- **Specification** — https://datatracker.ietf.org/doc/html/rfc1157
- **Documentation** — https://datatracker.ietf.org/doc/rfc1157/
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/snmp/refs/heads/main/apis.yml

## Other SNMP APIs (4)

- [SNMPv2c (RFC 1901-1908)](https://apis.io/apis/snmp/snmpv2c/)
- [SNMPv3 Architecture (RFC 3411-3418)](https://apis.io/apis/snmp/snmpv3/)
- [IF-MIB (RFC 2863) — The Interfaces Group MIB](https://apis.io/apis/snmp/if-mib/)
- [SMI and the OID Tree](https://apis.io/apis/snmp/smi/)

## Tags

SNMPv1, Community Strings, PDU, Historic

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/snmp/snmpv1/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/snmp/.